Individual Details
Living
( - )
Families
| Spouse | John Beaufort, 1st Earl of Somerset (1371 - 1410) |
| Child | Joan Beaufort ( - 1445) |
| Child | John Beaufort, 3rd Earl of Somerset (1403 - 1444) |
| Child | Edmund Beaufort, 2nd Duke of Somerset (1406 - 1455) |
| Father | Thomas de Holland, 2nd Earl of Kent (1350 - 1397) |
| Mother | Lady Alice FitzAlan of Arundel (1350 - 1416) |
| Sibling | Alianore Holland (1370 - 1405) |
| Sibling | Edmund Holland, 4th Earl of Kent (1383 - 1408) |
| Sibling | Eleanor Holland (1386 - 1413) |