Duke of Cornwall Dufnwal Hen Ap Gorbonian
1020 BC - Yes, date unknownDrag or scroll to see more of the chart.
| Duke of Cornwall Bleiddud Ap Asser 900 BC-Yes, date unknown |
| Duke of Cornwall Bleiddud Ap Asser | |
| B: | 900 BC |
| D: | Yes, date unknown |
| Duke of Cornwall Asser Ap Cyngen 940 BC-Yes, date unknown |
| Duke of Cornwall Asser Ap Cyngen | |
| B: | 940 BC |
| D: | Yes, date unknown |
| Duke of Cornwall Cyngen Ap Dufnwal Hen 980 BC-Yes, date unknown |
| Duke of Cornwall Cyngen Ap Dufnwal Hen | |
| B: | 980 BC |
| D: | Yes, date unknown |
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| Duke of Cornwall Dufnwal Hen Ap Gorbonian 1020 BC-Yes, date unknown |
| Duke of Cornwall Dufnwal Hen Ap Gorbonian | |
| B: | 1020 BC |
| D: | Yes, date unknown |