|
! ASE<br />''Plaid''
| width=1px style="background-color: {{Y Blaid Lafur (DU)/meta/lliw}}" |
| colspan = 3 | [[Glenys Kinnock]]<br />''[[LYY Blaid Lafur (DU)|Llafur]]''
| width=1px style="background-color: {{Y Blaid Lafur (DU)/meta/lliw}}" |
| colspan = 3 |[[Derek Vaughan]]<br />''[[Y Blaid Lafur (DU)|Llafur]]''
| [[Eurig Wyn]]<br />''[[Plaid Cymru]]''
! colspan = 8 | ''dilëwyd y sedd''
|}
=== 1999 - 2004 ===
{| class="wikitable"
|-
!
! Enwau'r Aelodau Ewropeaidd
! Plaid Wlediddol
|-
! style="background-color: {{Plaid Cymru/meta/lliw}}" |
| [[Jill Evans]]
| [[Plaid Cymru]]
|-
! style="background-color: {{Y Blaid Geidwadol (DU)/meta/lliw}}" |
| [[Jonathan Evans]]
| [[Y Blaid Geidwadol (DU)|Ceidwadol]]
|-
! style="background-color: {{Y Blaid Lafur (DU)/meta/lliw}}" |
| [[Glenys Kinnock]]
| [[Y Blaid Lafur (DU)|Llafur]]
|-
! style="background-color: {{Y Blaid Lafur (DU)/meta/lliw}}" |
| [[Eluned Morgan (gwleidydd)|Eluned Morgan]]
| [[Y Blaid Lafur (DU)|Llafur]]
|-
! style="background-color: {{Plaid Cymru/meta/lliw}}" |
| [[Eurig Wyn]]
| [[Plaid Cymru]]
|-
|}
=== 2004 - 2009 ===
{| class="wikitable"
|-
!
! Enwau'r Aelodau Ewropeaidd
! Plaid Wlediddol
|-
! style="background-color: {{Plaid Cymru/meta/lliw}}" |
| [[Jill Evans]]
| [[Plaid Cymru]]
|-
! style="background-color: {{Y Blaid Geidwadol (DU)/meta/lliw}}" |
| [[Jonathan Evans]]
| [[Y Blaid Geidwadol (DU)|Ceidwadol]]
|-
! style="background-color: {{Y Blaid Lafur (DU)/meta/lliw}}" |
| [[Glenys Kinnock]]
| [[Y Blaid Lafur (DU)|Llafur]]
|-
! style="background-color: {{Y Blaid Lafur (DU)/meta/lliw}}" |
| [[Eluned Morgan (gwleidydd)|Eluned Morgan]]
| [[Y Blaid Lafur (DU)|Llafur]]
|}
=== 2009 - 2014 ===
{| class="wikitable"
|-
!
! Enwau'r Aelodau Ewropeaidd
! Plaid Wlediddol
|-
! style="background-color: {{Plaid Annibyniaeth y Deyrnas Unedig/meta/lliw}}" |
| [[John Bufton]]
| [[Plaid Annibyniaeth y Deyrnas Unedig|UKIP]]
|-
! style="background-color: {{Plaid Cymru/meta/lliw}}" |
| [[Jill Evans]]
| [[Plaid Cymru]]
|-
! style="background-color: {{Y Blaid Geidwadol (DU)/meta/lliw}}" |
| [[Kay Swinburne]]
| [[Y Blaid Geidwadol (DU)|Ceidwadol]]
|-
! style="background-color: {{Y Blaid Lafur (DU)/meta/lliw}}" |
| [[Derek Vaughan]]
| [[Y Blaid Lafur (DU)|Llafur]]
|}
=== 2014 - 2019 ===
{| class="wikitable"
|-
!
! Enwau'r Aelodau Ewropeaidd
! Plaid Wlediddol
|-
! style="background-color: {{Plaid Cymru/meta/lliw}}" |
| [[Jill Evans]]
| [[Plaid Cymru]]
|-
! style="background-color: {{Plaid Annibyniaeth y Deyrnas Unedig/meta/lliw}}" |
| [[Nathan Lee Gill]]
| [[Plaid Annibyniaeth y Deyrnas Unedig|UKIP]]
|-
! style="background-color: {{Y Blaid Geidwadol (DU)/meta/lliw}}" |
| [[Kay Swinburne]]
| [[Y Blaid Geidwadol (DU)|Ceidwadol]]
|-
! style="background-color: {{Y Blaid Lafur (DU)/meta/lliw}}" |
| [[Derek Vaughan]]
| [[Y Blaid Lafur (DU)|Llafur]]
|}
| 