| Eltern | Geschwister | Kinder |
| Owain Dha ap Hywel Dha | ||
| Maredydd Hywel | ||
| Rhodri Hywel | ||
| Cadell Rhodri | Gwenllian Howell | |
| Hywel Cadell | Rhain Hywel | |
| Rheingar Rhodri | Meurig Cadell | Angharad Hywel |
| Clydog Cadell | Dyfnwal Hywel | |
| Partner | Edwin Hywel | |
| Eleanor Llywarch | Cynan Hywel | |
| Einion Hywel |