Duke of Cornwall Henwyn Ap Bleiddud
880 BC - Yes, date unknownDrag or scroll to see more of the chart.
| King of Britain Marganus 852 BC-807 BC |
| King of Britain Marganus | |
| B: | 852 BC |
| D: | 807 BC |
| King of Britain Gurgustius 810 BC-735 BC |
| King of Britain Gurgustius | |
| B: | 810 BC |
| D: | 735 BC |
| King of Britain Rivallo 830 BC-750 BC |
| King of Britain Rivallo | |
| B: | 830 BC |
| D: | 750 BC |
| King of Britain Cunedagius 850 BC-772 BC |
| King of Britain Cunedagius | |
| B: | 850 BC |
| D: | 772 BC |
|
| Duke of Cornwall Henwyn Ap Bleiddud 880 BC-Yes, date unknown |
| Duke of Cornwall Henwyn Ap Bleiddud | |
| B: | 880 BC |
| D: | Yes, date unknown |
Regan Ferch Llyr, of Britain 870 BC-Yes, date unknown |
| Regan Ferch Llyr, of Britain | |
| B: | 870 BC |
| D: | Yes, date unknown |