Family: John Beaufort, 1st. Earl of Somerset / Margaret Holland (F5698)
Catherine Roet (1350-1403) |
Joan Beaufort (1379-1440)  |
| Margaret Holland (1385-1439) |
John Beaufort, 1st. Earl of Somerset (1373-1410) 
|
| Lady Joan Beaufort (1404-1445) |
| Catherine Roet (1350-1403) |
| Joan Beaufort (1379-1440) |
| Margaret Holland (1385-1439) |
| John Beaufort, 1st. Earl of Somerset (1373-1410)
|
| Lady Joan Beaufort (1404-1445) |