660-Yes, date unknown
| Afadda, of Brittany | |
| B: | 660 |
| D: | Yes, date unknown |
| King of Gwynedd Idwal Iwrch Ap Cadwaladr | |
| B: | 660 |
| D: | 712 |
640-690
| King of Brittany Alain, II | |
| B: | 640 |
| D: | 690 |
| King of Brittany and Dumnonia Judicael | |
| B: | 615 |
| D: | 658 |
600-Yes, date unknown
| Fratelle Ferch Twedwr, of Dumnonia | |
| B: | 600 |
| D: | Yes, date unknown |
580-620
| King of Brittany Hoel, III | |
| B: | 580 |
| D: | 620 |
585-650
| King of Dumnonia Tewdwr | |
| B: | 585 |
| D: | 650 |
560-620
| King of Dumnonia Peredur | |
| B: | 560 |
| D: | 620 |
540-600
| King of Dumnonia Cador | |
| B: | 540 |
| D: | 600 |
520-550
| King of Dumnonia Geraint | |
| B: | 520 |
| D: | 550 |
500-550
| King of Dumnonia Erbin | |
| B: | 500 |
| D: | 550 |
460-546
| High King of Britain Constantine | |
| B: | 460 |
| D: | 546 |
430-500
| King of Dumnonia Tudvawl | |
| B: | 430 |
| D: | 500 |
640-690
| King of Brittany Alain, II | |
| B: | 640 |
| D: | 690 |
| King of Brittany and Dumnonia Judicael | |
| B: | 615 |
| D: | 658 |
580-620
| King of Brittany Hoel, III | |
| B: | 580 |
| D: | 620 |
600-Yes, date unknown
| Fratelle Ferch Twedwr, of Dumnonia | |
| B: | 600 |
| D: | Yes, date unknown |
560-610
| King of Brittany Alain, I | |
| B: | 560 |
| D: | 610 |
560-Yes, date unknown
| Azenor, Wife, of Brittany | |
| B: | 560 |
| D: | Yes, date unknown |
524-590
| Hoel, II, of Brittany | |
| B: | 524 |
| D: | 590 |
542-Yes, date unknown
| Rimo Ferch Rhun, of Gwenydd | |
| B: | 542 |
| D: | Yes, date unknown |
491-570
| King of Brittany Hoel, I | |
| B: | 491 |
| D: | 570 |
485-Yes, date unknown
| Alma Pompea De Domnonee | |
| B: | 485 |
| D: | Yes, date unknown |
475-Yes, date unknown
| Elaine Ferch Gwrleis, of Cornwall | |
| B: | 475 |
| D: | Yes, date unknown |
470-556
| King of Brittany Budic, I | |
| B: | 470 |
| D: | 556 |
452-Yes, date unknown
| Iferna Ferch Amlaydd, of Dumnonia | |
| B: | 452 |
| D: | Yes, date unknown |
| Duke of Cornwall Gwrleis Sap Ap Sartogys | |
| B: | 460 |
| D: | 490 |
410-Yes, date unknown
| Amlawdd Wledig Ap Cynwal, of Dumnonia | |
| B: | 410 |
| D: | Yes, date unknown |
414-Yes, date unknown
| Gwen Ferch Cunedda, of Gwenydd | |
| B: | 414 |
| D: | Yes, date unknown |
390-Yes, date unknown
| Cynwal Ap Ffrwdwr, of Dumnonia | |
| B: | 390 |
| D: | Yes, date unknown |
432-Yes, date unknown
| Ffrwdwr Ap Gwrfawr, of Dumnonia | |
| B: | 432 |
| D: | Yes, date unknown |
|