| Henry DE BEAUFORT 1436-Yes, date unknown |
| Henry DE BEAUFORT | |
| B: | 1436 |
| London, London, England | |
| D: | Yes, date unknown |
| Edmund DE BEAUFORT, 2nd Duke of Somerset, Count of Morain Abt 1406-Yes, date unknown |
| Edmund DE BEAUFORT, 2nd Duke of Somerset, Count of Morain | |
| B: | Abt 1406 |
| Westminster, Middlesex, England | |
| D: | Yes, date unknown |
| Sir John DE BEAUFORT, 1st Marques of Dorset, 1st Earl of Somerset | |
| B: | Abt 1371 |
| Anjou, France | |
| D: | 1410 |
|
