High King of Britain Constantine
460 - 546 (86 years)Drag or scroll to see more of the chart.
| King of Gwynedd Cynan Dindaethwy Ap Rhodri | |
| B: | 740 |
| D: | 816 |
King of Gwynedd Rhodri Molwynog
690-754
| King of Gwynedd Rhodri Molwynog | |
| B: | 690 |
| D: | 754 |
Afadda, of Brittany
660-Yes, date unknown
| Afadda, of Brittany | |
| B: | 660 |
| D: | Yes, date unknown |
| King of Gwynedd Idwal Iwrch Ap Cadwaladr | |
| B: | 660 |
| D: | 712 |
King of Brittany Alain, II
640-690
| King of Brittany Alain, II | |
| B: | 640 |
| D: | 690 |
| King of Brittany and Dumnonia Judicael | |
| B: | 615 |
| D: | 658 |
Fratelle Ferch Twedwr, of Dumnonia
600-Yes, date unknown
| Fratelle Ferch Twedwr, of Dumnonia | |
| B: | 600 |
| D: | Yes, date unknown |
King of Brittany Hoel, III
580-620
| King of Brittany Hoel, III | |
| B: | 580 |
| D: | 620 |
King of Dumnonia Tewdwr
585-650
| King of Dumnonia Tewdwr | |
| B: | 585 |
| D: | 650 |
King of Dumnonia Peredur
560-620
| King of Dumnonia Peredur | |
| B: | 560 |
| D: | 620 |
King of Dumnonia Cador
540-600
| King of Dumnonia Cador | |
| B: | 540 |
| D: | 600 |
King of Dumnonia Geraint
520-550
| King of Dumnonia Geraint | |
| B: | 520 |
| D: | 550 |
King of Dumnonia Erbin
500-550
| King of Dumnonia Erbin | |
| B: | 500 |
| D: | 550 |
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High King of Britain Constantine
460-546
| High King of Britain Constantine | |
| B: | 460 |
| D: | 546 |