| Father | Date of Birth | Mother | Date of Birth |
|---|---|---|---|
Owain Cyfeiliog Ap Gruffydd |
abt 1125 | Gwenllian Verch Owain Gwynedd |
abt 1135 |
| Partner | Date of Birth | Children |
|---|---|---|
Sir Hywel Ab Iorwerth |
abt 1150 | Gwenllian Fychan Verch Hywel Verch Hywel |
| Event Type | Date | Place | Description |
|---|---|---|---|
Birth |
1144 | Cyfeiliog, Powys, Wales |