| | Thomas ap Llewelyn … …–1343 | | |
| | Llywelyn ap Owain … …–1309 | | |
| | Owain ap Mareddud … …–1275 | | |
| | Maredudd ap Owain … …–1265 | | |
| | | | | | Llywelyn Fawr ab Iorwerth 1173–1240 | | | | Iorwerth ab Owain Gwynedd 1145–1174 | | | | Owain Gwynedd ap Gruffydd 1100–1170 Gwladys (Gladys) ferch Llywarch …–… | | | | Gruffydd ap Cynan 1055–1137 Angharad ferch Owain …–1162 | | |
| | | Llywarch ap Trahaearn …–… |
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| | | Llywarch Goch … of Rhos …–… |
| | | King of England John … 1167–1216 | | | | King of England Henry II … 1133–1189 Rosamunde of Clifford … …–… | | | | Geoffrey V … Count of Anjou 1113–1151 Adelaide (Matilda) … 1102–1167 | | |
| | | William X … Duke of Aquitaine 1099–1157 Aenor … of Chatellerault …–… | | |
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