Duke of Cornwall Dyfnarth Ap Prydain
510 BC - Yes, date unknownDrag or scroll to see more of the chart.
| King of Britain Capoir 280 BC-Yes, date unknown |
| King of Britain Capoir | |
| B: | 280 BC |
| D: | Yes, date unknown |
| Cerwyd Ap Crydon, of Britain 360 BC-Yes, date unknown |
| Cerwyd Ap Crydon, of Britain | |
| B: | 360 BC |
| D: | Yes, date unknown |
| Crydon Ap Dyfnarth, of Britain 440 BC-Yes, date unknown |
| Crydon Ap Dyfnarth, of Britain | |
| B: | 440 BC |
| D: | Yes, date unknown |
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| Duke of Cornwall Dyfnarth Ap Prydain 510 BC-Yes, date unknown |
| Duke of Cornwall Dyfnarth Ap Prydain | |
| B: | 510 BC |
| D: | Yes, date unknown |