 | John* "The Fairborn" 1st EARL\DUKE d'Somerset MARQUESS d'Dorset DE BEAUFORT (II) PLANTAGENET (1371-1410) |
 | Margaret* COUNTESS d'Somerset DUCHESS d'Clarence DE HOLLAND DE BEAUFORT (I) DE LANCASTER (1371-1439) |
 | Sir Eustace DE WHITNEY (1410-1468) 
|
| Jennet RUSSELL (1410-1469) |
| Eleanor WHITNEY (1426- ) |
| Elizabeth VAUGHAN (1428-1525) |
| Roger VAUGHAN (1428-1469) |
| Lady Elsbeth VAUGHAN (1429-1452) |
| Sir Robert WHITNEY (1432-1457) |
| Thomas VAUGHAN (1432-1483) |
| Joan WHITNEY (1435-1480) |
| Robert WHITNEY (1436-1492)  |
| Alice VAUGHN (1436-1470) |
| Katherine VAUGHAN (1440- ) |
| Watkin VAUGHAN (1440-1495) |
| Mawd VAUGHAN (1442-1500) |
| Lady Elizabeth WHITNEY, PRINCESS OF ENGLAND (1447-1510) |
