I William
(Notes: You may have to scroll down or right to see chart.)
| Joan Beaufort | |
| B: | Abt 1379 |
| Beaufort, Dordogne, Aquitaine, France | |
| D: | 13 Nov 1440 |
| Howden, Yorkshire, England | |
| Ralph Neville | |
| B: | 1364 |
| Raby, Durham, England | |
| D: | 21 Oct 1425 |
| Raby, Durham, England | |
| Henry Beaufort | |
| B: | 1375 |
| D: | 1447 |
| Thomas Beaufort | |
| B: | 1377 |
| D: | 1427 |
| John Beaufort | |
| B: | 1373 |
| D: | 1410 |
| John of Gaunt | |
| B: | 6 Mar 1340 |
| Belgium | |
| D: | 3 Feb 1399 |
| Leicester, Leicestershire, England | |
| Katherine Swynford | |
| B: | 25 Nov 1350 |
| Somme, Picardie, France | |
| D: | 10 May 1403 |
| Lincolnshire, England | |
| Philippa of Hainault | |
| B: | 24 Jun 1311 |
| D: | 14 Aug 1369 |
| Worcestershire, England | |
| Edward III Plantagenet | |
| B: | 13 Nov 1312 |
| Worcestershire, England | |
| D: | 21 Jun 1377 |
| Surrey, England | |
