English
John (1st Duke of Somerset) Beaufort (maid. name 1)
1404 - 1444 (40 years)
| John (1st Duke of Somerset) Beaufort (maid. name 1) | |
| 1404 - 1444 (40 years) |
|
| Margaret ( countess of Somerset) Holland (maid. name 1) | |
 1385 - 1440 (55 years) |
|
| John (1st Earl of Somerset) Beaufort | |
| 1374 - 1409 (35 years) |
|