<?xml version="1.0"?>
<feed xmlns="http://www.w3.org/2005/Atom" xml:lang="cy">
	<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?action=history&amp;feed=atom&amp;title=Uwchgwyrfai</id>
	<title>Uwchgwyrfai - Hanes golygu</title>
	<link rel="self" type="application/atom+xml" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?action=history&amp;feed=atom&amp;title=Uwchgwyrfai"/>
	<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Uwchgwyrfai&amp;action=history"/>
	<updated>2026-05-06T13:28:28Z</updated>
	<subtitle>Hanes diwygio&#039;r dudalen hon ar y wici</subtitle>
	<generator>MediaWiki 1.43.1</generator>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Uwchgwyrfai&amp;diff=8226&amp;oldid=prev</id>
		<title>Irion am 18:31, 19 Mawrth 2020</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Uwchgwyrfai&amp;diff=8226&amp;oldid=prev"/>
		<updated>2020-03-19T18:31:49Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 19:31, 19 Mawrth 2020&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l13&quot;&gt;Llinell 13:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 13:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Yr un pryd, o fewn ffiniau Uwchgwyrfai, rhoddwyd y rhan o benrhyn [[Belan]], a oedd gynt yn eiddo i blwyf Llanwnda, i gymuned [[Llandwrog]]; ac ardaloedd [[Tal-y-sarn]] a [[Nantlle]], ynghyd â pheth tir ar gyrion [[Pen-y-groes]] ger Garth Dorwen, i gymuned Llanllyfni.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Yr un pryd, o fewn ffiniau Uwchgwyrfai, rhoddwyd y rhan o benrhyn [[Belan]], a oedd gynt yn eiddo i blwyf Llanwnda, i gymuned [[Llandwrog]]; ac ardaloedd [[Tal-y-sarn]] a [[Nantlle]], ynghyd â pheth tir ar gyrion [[Pen-y-groes]] ger Garth Dorwen, i gymuned Llanllyfni.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;I&#039;r de a&#039;r gorllewin, gellir dadlau fod y ffiniau hanesyddol y plwyfi wedi aros heb eu newid. Rhed ffin plwyf Llanaelhaearn o&#039;r môr rhwng Trwyn y Gorlech a Thrwyn-y-tâl ar draws Bwlch-yr-Eifl a chopa [[&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Mynydd yr &lt;/del&gt;Eifl]], cyn croesi ffordd Pistyll ac ymlaen ar draws y tir is hyd [[Pont-y-gydros|Bontygydros]] ac ymlaen ar hyd yr [[Afon Erch]] cyn cyrraedd ffin plwyf Clynnog-fawr ger Melin Goch. O&#039;r fan honno, rhed ffin y cwmwd i lawr ar hyd nant ger Derwin Bach (sydd yng nghwmwd Eifionydd). O&#039;r fan honno mae&#039;r ffin yn codi dros [[Mynydd Craig Goch|Fynydd Craig Goch]] ac ar hyd [[Crib Nantlle]] yn y man nes gyrraedd ardal Rhyd-ddu. Mae rhai haneswyr y canol oesoedd, fodd bynnag, megis y Dr Colin Gresham, yn cwestiynu a ddylid cyfrif dau o hen drefgorddi plwyf Clynnog-fawr, sef [[Derwin]] a [[Nancall]], fel rhan o gwmwd Eifionydd. Gan eu bod wedi eu cynnwys ym mhlwyf Clynnog-fawr ers y canol oesoedd pan sefydlwyd ffiniau&#039;r plwyfi&#039;n bendant am y tro cyntaf, penderfynwyd eu cynnwys yn Uwchgwyrfai at ddibenioin &#039;&#039;&#039;Cof y Cwmwd&#039;&#039;&#039;.    &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;I&#039;r de a&#039;r gorllewin, gellir dadlau fod y ffiniau hanesyddol y plwyfi wedi aros heb eu newid. Rhed ffin plwyf Llanaelhaearn o&#039;r môr rhwng Trwyn y Gorlech a Thrwyn-y-tâl ar draws Bwlch-yr-Eifl a chopa&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&#039;r &lt;/ins&gt;[[&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Yr Eifl|&lt;/ins&gt;Eifl]], cyn croesi ffordd Pistyll ac ymlaen ar draws y tir is hyd [[Pont-y-gydros|Bontygydros]] ac ymlaen ar hyd yr [[Afon Erch]] cyn cyrraedd ffin plwyf Clynnog-fawr ger Melin Goch. O&#039;r fan honno, rhed ffin y cwmwd i lawr ar hyd nant ger Derwin Bach (sydd yng nghwmwd Eifionydd). O&#039;r fan honno mae&#039;r ffin yn codi dros [[Mynydd Craig Goch|Fynydd Craig Goch]] ac ar hyd [[Crib Nantlle]] yn y man nes gyrraedd ardal Rhyd-ddu. Mae rhai haneswyr y canol oesoedd, fodd bynnag, megis y Dr Colin Gresham, yn cwestiynu a ddylid cyfrif dau o hen drefgorddi plwyf Clynnog-fawr, sef [[Derwin]] a [[Nancall]], fel rhan o gwmwd Eifionydd. Gan eu bod wedi eu cynnwys ym mhlwyf Clynnog-fawr ers y canol oesoedd pan sefydlwyd ffiniau&#039;r plwyfi&#039;n bendant am y tro cyntaf, penderfynwyd eu cynnwys yn Uwchgwyrfai at ddibenioin &#039;&#039;&#039;Cof y Cwmwd&#039;&#039;&#039;.    &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae erthyglau yng &amp;#039;&amp;#039;&amp;#039;Nghof y Cwmwd&amp;#039;&amp;#039;&amp;#039; yn cynnwys y rhannau hynny o blwyf Llanwnda a gollwyd i Isgwyrfai.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae erthyglau yng &amp;#039;&amp;#039;&amp;#039;Nghof y Cwmwd&amp;#039;&amp;#039;&amp;#039; yn cynnwys y rhannau hynny o blwyf Llanwnda a gollwyd i Isgwyrfai.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Uwchgwyrfai&amp;diff=7183&amp;oldid=prev</id>
		<title>Irion: /* Ffynonellau cyffredinol */</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Uwchgwyrfai&amp;diff=7183&amp;oldid=prev"/>
		<updated>2020-01-05T10:06:33Z</updated>

		<summary type="html">&lt;p&gt;&lt;span class=&quot;autocomment&quot;&gt;Ffynonellau cyffredinol&lt;/span&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 11:06, 5 Ionawr 2020&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l33&quot;&gt;Llinell 33:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 33:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Stanley Thomas Bindoff, &amp;#039;&amp;#039;The House of Commons, 1509-1558&amp;#039;&amp;#039;, Cyf 1, (1982), [[http://www.historyofparliamentonline.org/volume/1509-1558/member/gruffydd-robert-1515-75-or-later]] (cyrchwyd 27.11.2017).&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Stanley Thomas Bindoff, &amp;#039;&amp;#039;The House of Commons, 1509-1558&amp;#039;&amp;#039;, Cyf 1, (1982), [[http://www.historyofparliamentonline.org/volume/1509-1558/member/gruffydd-robert-1515-75-or-later]] (cyrchwyd 27.11.2017).&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &amp;#039;&amp;#039;London Gazette&amp;#039;&amp;#039;, (1968), t.9648.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &amp;#039;&amp;#039;London Gazette&amp;#039;&amp;#039;, (1968), t.9648.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* Colin Gresham, &#039;&#039;Eifionydd&#039;&#039;, (Caerdydd, 1973), tt.301-3.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Cyfeiriadau==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Cyfeiriadau==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Uwchgwyrfai&amp;diff=7182&amp;oldid=prev</id>
		<title>Irion am 10:05, 5 Ionawr 2020</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Uwchgwyrfai&amp;diff=7182&amp;oldid=prev"/>
		<updated>2020-01-05T10:05:47Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 11:05, 5 Ionawr 2020&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l5&quot;&gt;Llinell 5:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 5:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Ffiniau==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Ffiniau==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Hyd 1895, roedd i&#039;r cwmwd bum plwyf, sef [[Clynnog Fawr]], [[Llanaelhaearn]], [[Llandwrog]], [[Llanllyfni]] a [[Llanwnda]]. Ynghyd â chwmwd Is-gwyrfai a thiroedd yr Esgob, sef Maenol Bangor, fe ffurfiwyd [[Arfon (cantref)|Cantref Arfon]], sef un o&#039;r prif ranbarthau gweinyddol o dan y Tywysogion. Ym 1895, bu peth newid ar ffiniau&#039;r sir, a rhoddwyd rhan o Uwchgwyrfai i blwyf Betws Garmon.&amp;lt;ref&amp;gt;Archifdy Caernarfon, XPlansS/9&amp;lt;/ref&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Hyd 1895, roedd i&#039;r cwmwd bum plwyf &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;cyflawn&lt;/ins&gt;, sef [[Clynnog Fawr]], [[Llanaelhaearn]], [[Llandwrog]], [[Llanllyfni]] a [[Llanwnda]]. Ynghyd â chwmwd Is-gwyrfai a thiroedd yr Esgob, sef Maenol Bangor, fe ffurfiwyd [[Arfon (cantref)|Cantref Arfon]], sef un o&#039;r prif ranbarthau gweinyddol o dan y Tywysogion. Ym 1895, bu peth newid ar ffiniau&#039;r sir, a rhoddwyd rhan o Uwchgwyrfai i blwyf Betws Garmon.&amp;lt;ref&amp;gt;Archifdy Caernarfon, XPlansS/9&amp;lt;/ref&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Yn wreiddiol fe ddilynai ffin pum plwyf y cwmwd lannau de-orllewinol yr afon Gwyrfai o&amp;#039;r môr hyd ei tharddiad yn Llyn y Gader i&amp;#039;r de o [[Rhyd-ddu|Ryd-ddu]], gan gynnwys rhan orllewinol y pentref hwnnw. Fel y dywedwyd, fe gollwyd tir sylweddol i blwyf [[Betws Garmon]] ym 1888, sef yr holl dir ym mhlwyf [[Llanwnda]] i&amp;#039;r dwyrain o grib y mynyddoedd ac ar hyd yr [[Afon Gwyrfai]] rhwng Waun-fawr a Rhyd-ddu.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Yn wreiddiol fe ddilynai ffin pum plwyf y cwmwd lannau de-orllewinol yr afon Gwyrfai o&amp;#039;r môr hyd ei tharddiad yn Llyn y Gader i&amp;#039;r de o [[Rhyd-ddu|Ryd-ddu]], gan gynnwys rhan orllewinol y pentref hwnnw. Fel y dywedwyd, fe gollwyd tir sylweddol i blwyf [[Betws Garmon]] ym 1888, sef yr holl dir ym mhlwyf [[Llanwnda]] i&amp;#039;r dwyrain o grib y mynyddoedd ac ar hyd yr [[Afon Gwyrfai]] rhwng Waun-fawr a Rhyd-ddu.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Ym 1974, newidwyd yr enw swyddogol ar blwyfi sifil, sef &#039;plwyf&#039;, a reolwyd gan gyngor plwyf i &#039;cymuned&#039; o dan gynghorau cymuned, ond ar y pryd cadwyd at yr hen ffiniau plwyfi. Yn ddiweddarach, ychydig cyn diwedd y 20g, collodd cymuned Llanwnda dir pellach, pan symudwyd ward Bontnewydd (y darn rhwng [[Ffrwd Cae Du]] a phont y Bontnewydd) i gymuned newydd a ffurfiwyd y pryd hynny, sef cymuned y [[Bontnewydd]]. Serch hyn, yn dechnegol, rhan o Uwchgwyrfai yw&#039;r ardaloedd hyn hyd heddiw.  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Ym 1974, newidwyd yr enw swyddogol ar blwyfi sifil, sef &#039;plwyf&#039;, a reolwyd gan gyngor plwyf&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, &lt;/ins&gt;i &#039;cymuned&#039; o dan gynghorau cymuned, ond ar y pryd cadwyd at yr hen ffiniau plwyfi. Yn ddiweddarach, ychydig cyn diwedd y 20g, collodd cymuned Llanwnda dir pellach, pan symudwyd ward Bontnewydd (y darn rhwng [[Ffrwd Cae Du]] a phont y Bontnewydd) i gymuned newydd a ffurfiwyd y pryd hynny, sef cymuned y [[Bontnewydd]]. Serch hyn, yn dechnegol, rhan o Uwchgwyrfai yw&#039;r ardaloedd hyn hyd heddiw.  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Yr un pryd, o fewn ffiniau Uwchgwyrfai, rhoddwyd y rhan o benrhyn [[Belan]], a oedd gynt yn eiddo i blwyf Llanwnda, i gymuned [[Llandwrog]]; ac ardaloedd [[Tal-y-sarn]] a [[Nantlle]], ynghyd â pheth tir ar gyrion [[Pen-y-groes]] ger Garth Dorwen, i gymuned Llanllyfni.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Yr un pryd, o fewn ffiniau Uwchgwyrfai, rhoddwyd y rhan o benrhyn [[Belan]], a oedd gynt yn eiddo i blwyf Llanwnda, i gymuned [[Llandwrog]]; ac ardaloedd [[Tal-y-sarn]] a [[Nantlle]], ynghyd â pheth tir ar gyrion [[Pen-y-groes]] ger Garth Dorwen, i gymuned Llanllyfni.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;I&#039;r de a&#039;r gorllewin, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;erys &lt;/del&gt;ffiniau hanesyddol y plwyfi heb eu newid. Rhed ffin plwyf Llanaelhaearn o&#039;r môr rhwng Trwyn y Gorlech a Thrwyn-y-tâl ar draws Bwlch-yr-Eifl a chopa Mynydd yr Eifl, cyn croesi ffordd Pistyll ac ymlaen ar draws y tir is hyd Bontygydros ac ymlaen ar hyd yr Afon Erch cyn cyrraedd ffin plwyf Clynnog-fawr ger Melin Goch. O&#039;r fan honno, rhed ffin y cwmwd i lawr ar hyd nant ger Derwin Bach (sydd yng nghwmwd Eifionydd). O&#039;r fan honno mae&#039;r ffin yn codi dros [[Mynydd Craig Goch|Fynydd Craig Goch]] ac ar hyd [[Crib Nantlle]] yn y man nes gyrraedd ardal Rhyd-ddu.    &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;I&#039;r de a&#039;r gorllewin, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;gellir dadlau fod y &lt;/ins&gt;ffiniau hanesyddol y plwyfi &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;wedi aros &lt;/ins&gt;heb eu newid. Rhed ffin plwyf Llanaelhaearn o&#039;r môr rhwng Trwyn y Gorlech a Thrwyn-y-tâl ar draws Bwlch-yr-Eifl a chopa &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;Mynydd yr Eifl&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;, cyn croesi ffordd Pistyll ac ymlaen ar draws y tir is hyd &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Pont-y-gydros|&lt;/ins&gt;Bontygydros&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]] &lt;/ins&gt;ac ymlaen ar hyd yr &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;Afon Erch&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]] &lt;/ins&gt;cyn cyrraedd ffin plwyf Clynnog-fawr ger Melin Goch. O&#039;r fan honno, rhed ffin y cwmwd i lawr ar hyd nant ger Derwin Bach (sydd yng nghwmwd Eifionydd). O&#039;r fan honno mae&#039;r ffin yn codi dros [[Mynydd Craig Goch|Fynydd Craig Goch]] ac ar hyd [[Crib Nantlle]] yn y man nes gyrraedd ardal Rhyd-ddu&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;. Mae rhai haneswyr y canol oesoedd, fodd bynnag, megis y Dr Colin Gresham, yn cwestiynu a ddylid cyfrif dau o hen drefgorddi plwyf Clynnog-fawr, sef [[Derwin]] a [[Nancall]], fel rhan o gwmwd Eifionydd. Gan eu bod wedi eu cynnwys ym mhlwyf Clynnog-fawr ers y canol oesoedd pan sefydlwyd ffiniau&#039;r plwyfi&#039;n bendant am y tro cyntaf, penderfynwyd eu cynnwys yn Uwchgwyrfai at ddibenioin &#039;&#039;&#039;Cof y Cwmwd&#039;&#039;&#039;&lt;/ins&gt;.    &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae erthyglau yng &amp;#039;&amp;#039;&amp;#039;Nghof y Cwmwd&amp;#039;&amp;#039;&amp;#039; yn cynnwys y rhannau hynny o blwyf Llanwnda a gollwyd i Isgwyrfai.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae erthyglau yng &amp;#039;&amp;#039;&amp;#039;Nghof y Cwmwd&amp;#039;&amp;#039;&amp;#039; yn cynnwys y rhannau hynny o blwyf Llanwnda a gollwyd i Isgwyrfai.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Uwchgwyrfai&amp;diff=7181&amp;oldid=prev</id>
		<title>Irion am 09:57, 5 Ionawr 2020</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Uwchgwyrfai&amp;diff=7181&amp;oldid=prev"/>
		<updated>2020-01-05T09:57:34Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 10:57, 5 Ionawr 2020&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l13&quot;&gt;Llinell 13:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 13:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Yr un pryd, o fewn ffiniau Uwchgwyrfai, rhoddwyd y rhan o benrhyn [[Belan]], a oedd gynt yn eiddo i blwyf Llanwnda, i gymuned [[Llandwrog]]; ac ardaloedd [[Tal-y-sarn]] a [[Nantlle]], ynghyd â pheth tir ar gyrion [[Pen-y-groes]] ger Garth Dorwen, i gymuned Llanllyfni.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Yr un pryd, o fewn ffiniau Uwchgwyrfai, rhoddwyd y rhan o benrhyn [[Belan]], a oedd gynt yn eiddo i blwyf Llanwnda, i gymuned [[Llandwrog]]; ac ardaloedd [[Tal-y-sarn]] a [[Nantlle]], ynghyd â pheth tir ar gyrion [[Pen-y-groes]] ger Garth Dorwen, i gymuned Llanllyfni.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;I&#039;r de a&#039;r gorllewin, erys ffiniau hanesyddol y plwyfi heb eu newid. Rhed ffin plwyf Llanaelhaearn o&#039;r môr rhwng Trwyn y Gorlech a Thrwyn-y-tâl ar draws Bwlch-yr-Eifl a chopa Mynydd yr Eifl, cyn croesi ffordd Pistyll ac ymlaen ar draws y tir is hyd Bontygydros ac ymlaen ar hyd yr Afon Erch cyn cyrraedd ffin plwyf Clynnog-fawr ger Melin Goch. O&#039;r fan honno, rhed ffin y cwmwd i lawr ar hyd nant ger Derwin Bach (sydd yng nghwmwd Eifionydd). O&#039;r fan honno mae&#039;r ffin yn codi dros &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Graig &lt;/del&gt;Goch ac ar hyd &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;crib &lt;/del&gt;Nantlle yn y man nes gyrraedd ardal Rhyd-ddu.    &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;I&#039;r de a&#039;r gorllewin, erys ffiniau hanesyddol y plwyfi heb eu newid. Rhed ffin plwyf Llanaelhaearn o&#039;r môr rhwng Trwyn y Gorlech a Thrwyn-y-tâl ar draws Bwlch-yr-Eifl a chopa Mynydd yr Eifl, cyn croesi ffordd Pistyll ac ymlaen ar draws y tir is hyd Bontygydros ac ymlaen ar hyd yr Afon Erch cyn cyrraedd ffin plwyf Clynnog-fawr ger Melin Goch. O&#039;r fan honno, rhed ffin y cwmwd i lawr ar hyd nant ger Derwin Bach (sydd yng nghwmwd Eifionydd). O&#039;r fan honno mae&#039;r ffin yn codi dros &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Mynydd Craig &lt;/ins&gt;Goch&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|Fynydd Craig Goch]] &lt;/ins&gt;ac ar hyd &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Crib &lt;/ins&gt;Nantlle&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]] &lt;/ins&gt;yn y man nes gyrraedd ardal Rhyd-ddu.    &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae erthyglau yng &amp;#039;&amp;#039;&amp;#039;Nghof y Cwmwd&amp;#039;&amp;#039;&amp;#039; yn cynnwys y rhannau hynny o blwyf Llanwnda a gollwyd i Isgwyrfai.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae erthyglau yng &amp;#039;&amp;#039;&amp;#039;Nghof y Cwmwd&amp;#039;&amp;#039;&amp;#039; yn cynnwys y rhannau hynny o blwyf Llanwnda a gollwyd i Isgwyrfai.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l23&quot;&gt;Llinell 23:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 23:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Fe barhaodd y system hon o ran gweinyddu wedi i&amp;#039;r dywysogaeth gynhenid gael ei ddileu gan Frenhinhoedd Lloegr, ond dan y Deddfau Uno (1536 a 1543), ffurfiwyd trefn newydd o weinyddu sifil, gan ddileu olion yr hen drefniadaeth. Sefydlwyd llysoedd ar batrwm Lloegr, gydag ynadon yn gyfrifol am nifer cynyddol o ddyletswyddau sifil, megis cynnal y ffyrdd, gofalu bod y plwyfi&amp;#039;n edrych ar ôl eu tlodion, trwyddedu tafarnau ac ati. Er hwylustod mewn oes pan oedd teithio unrhyw bellter yn faich ar ddyn, rhaid oedd rhannu&amp;#039;r siroedd, a chadwyd at ffiniau&amp;#039;r hen gymydau, er yr oedd tuedd cynyddol i&amp;#039;w galw&amp;#039;n hyndrydau, neu &amp;#039;&amp;#039;hundreds&amp;#039;&amp;#039;, yn ôl yr arfer Seisnig. Mae cofnodion Llys Chwarter Sir Gaernarfon, sydd wedi goroesi o 1541, yn llawn o gyfeiriadau at &amp;quot;Uchgor&amp;#039;&amp;quot;, sef Uwchgwyrfai. Mae&amp;#039;r enwau cynharaf a geir yn y cofnodion hyn am swyddogion y cwmwd yw Thomas Gruffydd a Huw Lewys, cwnstabliaid y cwmwd a Hywel ap Dafydd ap Llywelyn, beili&amp;#039;r cwmwd ym 1546-7. Nid oedd y swyddi hyn, a lanwyd gan drigolion lleol heb dâl, yn gallu bod yn beryglus: ymosodwyd gyda cleddyf ar un o gwnstabaliaid y cwmwd, Owen Davies, gan nifer o drigolion Clynnog-fawr ym 1553, nes bod dau o&amp;#039;i fysedd bron wedi torri i ffwrdd. Parhaodd cynulliadau o drigolion a mân swyddogion y cymydau hefyd gwrdd mewn &amp;#039;llysoedd&amp;#039; sifil, dan oruchwyliaeth siryf y sir. Ceir cofnod o un llys ar gyfer Uwchgwyrfai a gynhaliwyd 5 Rhagfyr 1654 yn nhafarn [[Betws Gwernrhiw]].&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Fe barhaodd y system hon o ran gweinyddu wedi i&amp;#039;r dywysogaeth gynhenid gael ei ddileu gan Frenhinhoedd Lloegr, ond dan y Deddfau Uno (1536 a 1543), ffurfiwyd trefn newydd o weinyddu sifil, gan ddileu olion yr hen drefniadaeth. Sefydlwyd llysoedd ar batrwm Lloegr, gydag ynadon yn gyfrifol am nifer cynyddol o ddyletswyddau sifil, megis cynnal y ffyrdd, gofalu bod y plwyfi&amp;#039;n edrych ar ôl eu tlodion, trwyddedu tafarnau ac ati. Er hwylustod mewn oes pan oedd teithio unrhyw bellter yn faich ar ddyn, rhaid oedd rhannu&amp;#039;r siroedd, a chadwyd at ffiniau&amp;#039;r hen gymydau, er yr oedd tuedd cynyddol i&amp;#039;w galw&amp;#039;n hyndrydau, neu &amp;#039;&amp;#039;hundreds&amp;#039;&amp;#039;, yn ôl yr arfer Seisnig. Mae cofnodion Llys Chwarter Sir Gaernarfon, sydd wedi goroesi o 1541, yn llawn o gyfeiriadau at &amp;quot;Uchgor&amp;#039;&amp;quot;, sef Uwchgwyrfai. Mae&amp;#039;r enwau cynharaf a geir yn y cofnodion hyn am swyddogion y cwmwd yw Thomas Gruffydd a Huw Lewys, cwnstabliaid y cwmwd a Hywel ap Dafydd ap Llywelyn, beili&amp;#039;r cwmwd ym 1546-7. Nid oedd y swyddi hyn, a lanwyd gan drigolion lleol heb dâl, yn gallu bod yn beryglus: ymosodwyd gyda cleddyf ar un o gwnstabaliaid y cwmwd, Owen Davies, gan nifer o drigolion Clynnog-fawr ym 1553, nes bod dau o&amp;#039;i fysedd bron wedi torri i ffwrdd. Parhaodd cynulliadau o drigolion a mân swyddogion y cymydau hefyd gwrdd mewn &amp;#039;llysoedd&amp;#039; sifil, dan oruchwyliaeth siryf y sir. Ceir cofnod o un llys ar gyfer Uwchgwyrfai a gynhaliwyd 5 Rhagfyr 1654 yn nhafarn [[Betws Gwernrhiw]].&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Defnyddid enw Uwchgwyrfai&#039;n aml i ddynodi rhaniad o&#039;r sir pan oedd angen hyd nes i&#039;r cynghorau dosbarth gael eu ffurfio ym 1894. &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;YN &lt;/del&gt;gynyddol, fe ddisgrifiwyd Uwchgwyrfai (neu Uchgorfai fel y sillafid yr enw&#039;n arferol) fel &#039;&#039;hundred or division&#039;&#039; o&#039;r sir, ac yr oedd gan y cwmwd ei uchel gwnstabl ei hun hyd y 19g. Hyd yn oed heddiw, mae Uwchgwyrfai&#039;n cael ei gyfrif yn raniad daearyddol gan Gomisiynwyr y Goron, sydd yn dal i arddel yr enw [[Comin Uwchgwyrfai]] am y tir mynydd o gwmpas [[Moel Smytho]] a [[Mynydd Mawr]].     &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Defnyddid enw Uwchgwyrfai&#039;n aml i ddynodi rhaniad o&#039;r sir pan oedd angen hyd nes i&#039;r cynghorau dosbarth gael eu ffurfio ym 1894. &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Yn &lt;/ins&gt;gynyddol, fe ddisgrifiwyd Uwchgwyrfai (neu Uchgorfai fel y sillafid yr enw&#039;n arferol) fel &#039;&#039;hundred or division&#039;&#039; o&#039;r sir, ac yr oedd gan y cwmwd ei uchel gwnstabl ei hun hyd y 19g. Hyd yn oed heddiw, mae Uwchgwyrfai&#039;n cael ei gyfrif yn raniad daearyddol gan Gomisiynwyr y Goron, sydd yn dal i arddel yr enw [[Comin Uwchgwyrfai]] am y tir mynydd o gwmpas [[Moel Smytho]] a [[Mynydd Mawr]].     &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Uwchgwyrfai&amp;diff=5134&amp;oldid=prev</id>
		<title>Irion am 11:28, 28 Ionawr 2019</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Uwchgwyrfai&amp;diff=5134&amp;oldid=prev"/>
		<updated>2019-01-28T11:28:00Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 12:28, 28 Ionawr 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae &amp;#039;&amp;#039;&amp;#039;Uwchgwyrfai&amp;#039;&amp;#039;&amp;#039; (neu Arfon Uwch-gwyrfai) yn un o gymydau (neu israniadau gweinyddol) hynafol Sir Gaernarfon (a thywysogaeth Gwynedd cyn hynny) er nad yw&amp;#039;n bodoli fel uned weinyddol bellach.  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae &amp;#039;&amp;#039;&amp;#039;Uwchgwyrfai&amp;#039;&amp;#039;&amp;#039; (neu Arfon Uwch-gwyrfai) yn un o gymydau (neu israniadau gweinyddol) hynafol Sir Gaernarfon (a thywysogaeth Gwynedd cyn hynny) er nad yw&amp;#039;n bodoli fel uned weinyddol bellach.  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Ystyr yr enw yw &#039;y tir yr ochr draw i&#039;r afon Gwyrfai&#039;, a hynny oherwydd iddo fod yr ochr draw o safbwynt y llys yn Abergwyngregyn. Y rhan o dir oedd yn agosach at y llys oedd Isgwyrfai, sef y plwyfi i&#039;r gorllewin o Landygái a Phentir, sef Llanddeiniolen, Llanfair-isgaer, Llanberis, Llanrug, Llanbeblig, Llanfaglan a Betws Garmon.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Ystyr yr enw yw &#039;y tir yr ochr draw i&#039;r afon Gwyrfai&#039;, a hynny oherwydd iddo fod yr ochr draw o safbwynt y llys yn Abergwyngregyn. Y rhan o dir oedd yn agosach at y llys oedd &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;Isgwyrfai&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;, sef y plwyfi i&#039;r gorllewin o Landygái a Phentir, sef Llanddeiniolen, Llanfair-isgaer, Llanberis, Llanrug, Llanbeblig, Llanfaglan a Betws Garmon.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Ffiniau==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Ffiniau==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Uwchgwyrfai&amp;diff=5133&amp;oldid=prev</id>
		<title>Irion am 11:26, 28 Ionawr 2019</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Uwchgwyrfai&amp;diff=5133&amp;oldid=prev"/>
		<updated>2019-01-28T11:26:43Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 12:26, 28 Ionawr 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l5&quot;&gt;Llinell 5:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 5:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Ffiniau==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Ffiniau==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Hyd &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;1888&lt;/del&gt;, roedd i&#039;r cwmwd bum plwyf, sef [[Clynnog Fawr]], [[Llanaelhaearn]], [[Llandwrog]], [[Llanllyfni]] a [[Llanwnda]]. Ynghyd â chwmwd Is-gwyrfai a thiroedd yr Esgob, sef Maenol Bangor, fe ffurfiwyd [[Arfon (cantref)|Cantref Arfon]], sef un o&#039;r prif ranbarthau gweinyddol o dan y Tywysogion. Ym &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;1888&lt;/del&gt;, bu peth newid ar ffiniau&#039;r sir, a rhoddwyd rhan o Uwchgwyrfai i blwyf Betws Garmon.  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Hyd &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;1895&lt;/ins&gt;, roedd i&#039;r cwmwd bum plwyf, sef [[Clynnog Fawr]], [[Llanaelhaearn]], [[Llandwrog]], [[Llanllyfni]] a [[Llanwnda]]. Ynghyd â chwmwd Is-gwyrfai a thiroedd yr Esgob, sef Maenol Bangor, fe ffurfiwyd [[Arfon (cantref)|Cantref Arfon]], sef un o&#039;r prif ranbarthau gweinyddol o dan y Tywysogion. Ym &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;1895&lt;/ins&gt;, bu peth newid ar ffiniau&#039;r sir, a rhoddwyd rhan o Uwchgwyrfai i blwyf Betws Garmon.&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;ref&amp;gt;Archifdy Caernarfon, XPlansS/9&amp;lt;/ref&amp;gt; &lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Yn wreiddiol fe ddilynai ffin pum plwyf y cwmwd lannau de-orllewinol yr afon Gwyrfai o&amp;#039;r môr hyd ei tharddiad yn Llyn y Gader i&amp;#039;r de o [[Rhyd-ddu|Ryd-ddu]], gan gynnwys rhan orllewinol y pentref hwnnw. Fel y dywedwyd, fe gollwyd tir sylweddol i blwyf [[Betws Garmon]] ym 1888, sef yr holl dir ym mhlwyf [[Llanwnda]] i&amp;#039;r dwyrain o grib y mynyddoedd ac ar hyd yr [[Afon Gwyrfai]] rhwng Waun-fawr a Rhyd-ddu.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Yn wreiddiol fe ddilynai ffin pum plwyf y cwmwd lannau de-orllewinol yr afon Gwyrfai o&amp;#039;r môr hyd ei tharddiad yn Llyn y Gader i&amp;#039;r de o [[Rhyd-ddu|Ryd-ddu]], gan gynnwys rhan orllewinol y pentref hwnnw. Fel y dywedwyd, fe gollwyd tir sylweddol i blwyf [[Betws Garmon]] ym 1888, sef yr holl dir ym mhlwyf [[Llanwnda]] i&amp;#039;r dwyrain o grib y mynyddoedd ac ar hyd yr [[Afon Gwyrfai]] rhwng Waun-fawr a Rhyd-ddu.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l26&quot;&gt;Llinell 26:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 26:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Ffynonellau==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Ffynonellau &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;cyffredinol&lt;/ins&gt;==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Mapiau Ordnans 6&amp;quot; i&amp;#039;r filltir yr ardal I&amp;#039;w cyrchu ar [http://maps.nls.uk/]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Mapiau Ordnans 6&amp;quot; i&amp;#039;r filltir yr ardal I&amp;#039;w cyrchu ar [http://maps.nls.uk/]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Dafydd Jenkins, &amp;#039;&amp;#039;Cyfraith Hywel&amp;#039;&amp;#039; (Gomer, 1970), tt.65, 91, 97.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Dafydd Jenkins, &amp;#039;&amp;#039;Cyfraith Hywel&amp;#039;&amp;#039; (Gomer, 1970), tt.65, 91, 97.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l32&quot;&gt;Llinell 32:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 32:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* W Ogwen Williams, &amp;#039;&amp;#039;A Calendar of the Caernarvonshire Quarter Sessions Records, 1541-1558&amp;#039;&amp;#039;, (Cym. Hanes Sir Gaernarfon, 1956), tt. lxix, 31-2, 124.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* W Ogwen Williams, &amp;#039;&amp;#039;A Calendar of the Caernarvonshire Quarter Sessions Records, 1541-1558&amp;#039;&amp;#039;, (Cym. Hanes Sir Gaernarfon, 1956), tt. lxix, 31-2, 124.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Stanley Thomas Bindoff, &amp;#039;&amp;#039;The House of Commons, 1509-1558&amp;#039;&amp;#039;, Cyf 1, (1982), [[http://www.historyofparliamentonline.org/volume/1509-1558/member/gruffydd-robert-1515-75-or-later]] (cyrchwyd 27.11.2017).&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Stanley Thomas Bindoff, &amp;#039;&amp;#039;The House of Commons, 1509-1558&amp;#039;&amp;#039;, Cyf 1, (1982), [[http://www.historyofparliamentonline.org/volume/1509-1558/member/gruffydd-robert-1515-75-or-later]] (cyrchwyd 27.11.2017).&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &#039;&#039;London Gazette&#039;&#039;, (1968), t.9648.  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &#039;&#039;London Gazette&#039;&#039;, (1968), t.9648.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;==Cyfeiriadau==&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;{{cyfeiriadau}} &lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Categori:Daearyddiaeth ddynol]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Categori:Daearyddiaeth ddynol]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Categori:Israniadau gwladol]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Categori:Israniadau gwladol]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Categori:Rhanbarthau gweinyddol]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Categori:Rhanbarthau gweinyddol]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Uwchgwyrfai&amp;diff=4249&amp;oldid=prev</id>
		<title>Irion am 18:12, 3 Medi 2018</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Uwchgwyrfai&amp;diff=4249&amp;oldid=prev"/>
		<updated>2018-09-03T18:12:56Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 19:12, 3 Medi 2018&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l36&quot;&gt;Llinell 36:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 36:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Categori:Daearyddiaeth ddynol]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Categori:Daearyddiaeth ddynol]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Categori:Israniadau gwladol]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Categori:Israniadau gwladol]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Categori:Rhanbarthau gweinyddol]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Uwchgwyrfai&amp;diff=4248&amp;oldid=prev</id>
		<title>Irion am 18:11, 3 Medi 2018</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Uwchgwyrfai&amp;diff=4248&amp;oldid=prev"/>
		<updated>2018-09-03T18:11:55Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 19:11, 3 Medi 2018&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae &#039;&#039;&#039;Uwchgwyrfai&#039;&#039;&#039; yn un o gymydau (neu israniadau gweinyddol) hynafol Sir Gaernarfon (a thywysogaeth Gwynedd cyn hynny) er nad yw&#039;n bodoli fel uned weinyddol bellach.  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae &#039;&#039;&#039;Uwchgwyrfai&#039;&#039;&#039; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;(neu Arfon Uwch-gwyrfai) &lt;/ins&gt;yn un o gymydau (neu israniadau gweinyddol) hynafol Sir Gaernarfon (a thywysogaeth Gwynedd cyn hynny) er nad yw&#039;n bodoli fel uned weinyddol bellach.  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Ystyr yr enw yw &amp;#039;y tir yr ochr draw i&amp;#039;r afon Gwyrfai&amp;#039;, a hynny oherwydd iddo fod yr ochr draw o safbwynt y llys yn Abergwyngregyn. Y rhan o dir oedd yn agosach at y llys oedd Isgwyrfai, sef y plwyfi i&amp;#039;r gorllewin o Landygái a Phentir, sef Llanddeiniolen, Llanfair-isgaer, Llanberis, Llanrug, Llanbeblig, Llanfaglan a Betws Garmon.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Ystyr yr enw yw &amp;#039;y tir yr ochr draw i&amp;#039;r afon Gwyrfai&amp;#039;, a hynny oherwydd iddo fod yr ochr draw o safbwynt y llys yn Abergwyngregyn. Y rhan o dir oedd yn agosach at y llys oedd Isgwyrfai, sef y plwyfi i&amp;#039;r gorllewin o Landygái a Phentir, sef Llanddeiniolen, Llanfair-isgaer, Llanberis, Llanrug, Llanbeblig, Llanfaglan a Betws Garmon.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Uwchgwyrfai&amp;diff=1762&amp;oldid=prev</id>
		<title>Irion am 20:13, 29 Ionawr 2018</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Uwchgwyrfai&amp;diff=1762&amp;oldid=prev"/>
		<updated>2018-01-29T20:13:18Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 21:13, 29 Ionawr 2018&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l35&quot;&gt;Llinell 35:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 35:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Categori:Daearyddiaeth ddynol]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Categori:Daearyddiaeth ddynol]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Categori:&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Uwchgwyrfai&lt;/del&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Categori:&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Israniadau gwladol&lt;/ins&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Uwchgwyrfai&amp;diff=1295&amp;oldid=prev</id>
		<title>Irion am 16:58, 8 Ionawr 2018</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Uwchgwyrfai&amp;diff=1295&amp;oldid=prev"/>
		<updated>2018-01-08T16:58:16Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 17:58, 8 Ionawr 2018&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l5&quot;&gt;Llinell 5:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 5:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Ffiniau==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Ffiniau==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Hyd 1888, roedd i&#039;r cwmwd bum plwyf, sef [[Clynnog&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;-fawr&lt;/del&gt;]], [[Llanaelhaearn]], [[Llandwrog]], [[Llanllyfni]] a [[Llanwnda]]. Ynghyd â chwmwd Is-gwyrfai a thiroedd yr Esgob, sef Maenol Bangor, fe ffurfiwyd [[Arfon (cantref)|Cantref Arfon]], sef un o&#039;r prif ranbarthau gweinyddol o dan y Tywysogion. Ym 1888, bu peth newid ar ffiniau&#039;r sir, a rhoddwyd rhan o Uwchgwyrfai i blwyf Betws Garmon.  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Hyd 1888, roedd i&#039;r cwmwd bum plwyf, sef [[Clynnog &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Fawr&lt;/ins&gt;]], [[Llanaelhaearn]], [[Llandwrog]], [[Llanllyfni]] a [[Llanwnda]]. Ynghyd â chwmwd Is-gwyrfai a thiroedd yr Esgob, sef Maenol Bangor, fe ffurfiwyd [[Arfon (cantref)|Cantref Arfon]], sef un o&#039;r prif ranbarthau gweinyddol o dan y Tywysogion. Ym 1888, bu peth newid ar ffiniau&#039;r sir, a rhoddwyd rhan o Uwchgwyrfai i blwyf Betws Garmon.  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Yn wreiddiol fe ddilynai ffin pum plwyf y cwmwd lannau de-orllewinol yr afon Gwyrfai o&amp;#039;r môr hyd ei tharddiad yn Llyn y Gader i&amp;#039;r de o [[Rhyd-ddu|Ryd-ddu]], gan gynnwys rhan orllewinol y pentref hwnnw. Fel y dywedwyd, fe gollwyd tir sylweddol i blwyf [[Betws Garmon]] ym 1888, sef yr holl dir ym mhlwyf [[Llanwnda]] i&amp;#039;r dwyrain o grib y mynyddoedd ac ar hyd yr [[Afon Gwyrfai]] rhwng Waun-fawr a Rhyd-ddu.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Yn wreiddiol fe ddilynai ffin pum plwyf y cwmwd lannau de-orllewinol yr afon Gwyrfai o&amp;#039;r môr hyd ei tharddiad yn Llyn y Gader i&amp;#039;r de o [[Rhyd-ddu|Ryd-ddu]], gan gynnwys rhan orllewinol y pentref hwnnw. Fel y dywedwyd, fe gollwyd tir sylweddol i blwyf [[Betws Garmon]] ym 1888, sef yr holl dir ym mhlwyf [[Llanwnda]] i&amp;#039;r dwyrain o grib y mynyddoedd ac ar hyd yr [[Afon Gwyrfai]] rhwng Waun-fawr a Rhyd-ddu.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
</feed>