Family: Lord Robert De Ferrers / Joan Beaufort (F2421)
m. Bef 30 Sep 1394Catherine Roet (1350-1403) |
John Beaufort, 1st. Earl of Somerset (1373-1410)  |
| Lord Robert De Ferrers (1373-1396) |
Joan Beaufort (1379-1440) 
|
| Lady Mary De Ferrers (1393-1458) |