Abt 1390 - 1416 (~ 27 years)
| Robert Vaughan | |
| B: | Abt 1500 |
| Talhenbont, Llanystumdwy, Anglesey, Wales | |
| Lowry Conway | |
| B: | Abt 1500 |
| Bodrhyddan, Rhuddlan, Flintshire, Wales | |
| 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 | |
