Abt 750 - 844 (94 years)
| Hywel DDA | |
| B: | Abt 855 |
| D: | 950 |
| Cadell OF DEHEUBARTH | |
| B: | Abt 825 |
| D: | Abt 909 |
| Anarawd AP GWYNEDD | |
| B: | Abt 853 |
| D: | 916 |
| Gwynedd AP RHODRI "MAWR" | |
| B: | Abt 823 |
| D: | Yes, date unknown |
| Rhodri "Mawr" AP MERFYN | |
| B: | 788 |
| Llandilo, Carmarths, , WLS | |
| D: | 877 |
|
| Merfyn "Frych" AP GWRIAD | |
| B: | Abt 750 |
| D: | 844 |
| Essylt FERCH CONAN | |
| B: | Abt 770 |
| , , , Wales | |
| D: | Yes, date unknown |
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