| | Margaret ferch Thomas … …–… | | |
| | Goronwy ap Tudor … …–1331 | | |
| | | | |
| | | | | | Gwenllian ferch Rhys …–1236 | | | | Rhys ap Gruffydd 1132–1197 Gwenllian ferch Madog …–… | | | | Gruffydd ap Rhys … …–1137 Gwenllian ferch Gruffydd …–… | | | | Rhys ap Tewdr … Ruler of Debeubarth (South Wales) …–1093 | | |
| | | Gruffydd ap Cynan 1055–1137 Angharad ferch Owain …–1162 | | |
|
|
| |
|
|
|
|
|
