Individual Details
Living
( - )
Families
| Father | Owain ap Gruffydd (1078 - 1170) |
| Mother | Gwladys Llywarch (1098 - 1155) |
| Sibling | Iorweth "Drwyndwn" Gwynedd (1145 - 1174) |
| Sibling | Living |
| Sibling | Living |
| Sibling | Living |
| Sibling | Hywel ab Owain ( - 1170) |
| Sibling | Living |
| Sibling | Living |
| Sibling | Living |
| Sibling | Living |
| Sibling | Rhun Owain ( - 1147) |
| Sibling | Living |
| Sibling | Gwenllian "of Gwynedd" ferch Owain (1130 - 1197) |
| Sibling | Einion Owain (1144 - ) |
| Sibling | Cynan ab "Lord of Meirionnydd" Owain (1150 - 1174) |