| Robert Vaughan Abt 1500- |
| Robert Vaughan | |
| B: | Abt 1500 |
| Talhenbont, Llanystumdwy, Anglesey, Wales | |
 | Lowry Conway Abt 1500- |
| Lowry Conway | |
| B: | Abt 1500 |
| Bodrhyddan, Rhuddlan, Flintshire, Wales | |
| Erddylad ferch Howel Abt 1450- |
| Erddylad ferch Howel | |
| B: | Abt 1450 |
| Wales | |
| Howel ap Madog Vaughan Abt 1430-Aft 1442 |
| Howel ap Madog Vaughan | |
| B: | Abt 1430 |
| Llanystumdwy, Caernarvonshire, Wales | |
| D: | Aft 1442 |
