Merfyn Frych ap Gwriad, King of Gwynedd
- 844(Notes: You may have to scroll down or right to see chart.)
| Hywel Dda ap Cadell, King of the Britons | |
| B: | Abt 880 |
| D: | 950 |
| Cadell ap Rhodri | |
| B: | 854 |
| D: | 909 |
| Unknown |
| Anarawd ap Rhodri King of Gwynedd | |
| D: | 916 |
| Rhodri Mawr ap Merfyn, King of Gwynedd | |
| B: | Abt 820 |
| D: | 878 |
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| Merfyn Frych ap Gwriad, King of Gwynedd | |
| D: | 844 |