Family: 1st Duke of Lancaster John of Gaunt / Katherine Swynford (F1608)
 | King Of England Edward III Plantagenet (1312-1377) 
|
 | Queen consort Philippa of Hainault (1311-1369)
|
| Payne De Roet (1325- ) |
 | 1st Duke of Lancaster John of Gaunt (1340-1399)
|
| Katherine Swynford (1350-1403)
|
Countess of Westmorland Joan Beaufort (1379-1440)  |
| Henry Beaufort (1375-1447) |
| Thomas Beaufort (1377-1427) |
| John Beaufort (1373-1410) |
