Gwrgenas Ap Howel of Caer-A-Chydewin
- Yes, date unknownDrag or scroll to see more of the chart.
| Owain Cyfeiloc Ap Gruffydd Prince O Higher Powys | |
| D: | 1197 |
| Gwelliam Gwynedd | |
| D: | Yes, date unknown |
| Gwenwynwyn Owain Cyfeiliog | |
| B: | Powys |
| D: | 1216 |
| Margaret (of Cauis) Corbert | |
| B: | Wattlesboro |
| D: | Yes, date unknown |
| Gwenllian Owain Gwynedd | |
| D: | Yes, date unknown |
| Gwerfyl | |
| D: | Yes, date unknown |
| Gruffydd (Lord Mawddwy) Maredudd | |
| D: | 1128 |
| Gwrgenas Ap Howel of Caer-A-Chydewin | |
| D: | Yes, date unknown |