MaleJohn of Gaunt, 1st Duke of Lancaster |
| Birth | 6 Mar 1340 | Belgium |
| Death | 3 Feb 1399 | Leicester Castle, Leicestershire, England |
| Burial | ||
| Marriage | ||
| Other Spouse | Blanche of Lancaster, Duchess of Lancaster | F489 | |
| Marriage | ||
| Father | Edward III, King of England | F663 Group Sheet | |
| Mother | Philippa of Hainault, Queen consort of England | F663 Group Sheet | |
FemaleKatherine de Roet Swynford, Duchess of Lancaster |
| Birth | 25 Nov 1350 | |
| Death | 10 May 1403 | |
| Burial | ||
| Father | ||
| Mother | ||
MaleJohn Beaufort, 1st Earl of Somerset |
| Birth | 1373 | Anjeux, Haute-Saône, Franche-Comté, France |
| Death | 16 Mar 1410 | St Catherine, England |
| Burial | ||
| Spouse | Margaret Holland, Duchess of Clarence | F1157 | |
| Marriage | ||
FemaleLady Joan Beaufort, Countess of Westmoreland |
| Birth | c. 1379 | Anjou, France |
| Death | 13 Nov 1440 | Yorkshire, England |
| Burial | ||
| Spouse | Ralph Neville, Earl of Westmoreland | F258 | |
| Marriage | ||