| Howel ap Madog Vaughan | |
| B: | Abt 1430 |
| Llanystumdwy, Caernarvonshire, Wales | |
| D: | Aft 1442 |
| Erddylad ferch Howel | |
| B: | Abt 1450 |
| Wales | |
| Madog ap Ieuan | |
| B: | Abt 1390 |
| Llanystumdwy, Caernarvonshire, Wales | |
| D: | Aft. 1416 |
| Gwerfyl ferch Rhys | |
| B: | Abt 1400 |
| Wales | |
| Ieuan ap Einion | |
| B: | Abt 1335 |
| Wales | |
| D: | Abt 1399 |
| Gwenhwyfer ferch Ynyr Vychan | |
| B: | Abt 1365 |
| Wales | |
| Einion ap Gruffudd | |
| B: | Abt 1300 |
| Dol-y-penrhyn, Llannor, Caernarvonshire, Wales | |
| Nest ferch Gruffydd | |
| B: | Abt 1300 |
| Wales | |
| Collwyn ap Tangno | |
| B: | Abt 1030 |
|
