| Father | Thomas Holland 2nd Earl of Kent (1350 - 1397) |
| Mother | Alice FitzAlan (1350 - 1415) |
| Sibling | Lady Margaret Holland Duchess of Clarence (1385 - 1439) |
| Sibling | Alianore Holland Countess of March (1370 - 1405) |
| Sibling | John Holland (1374 - 1394) |
| Sibling | Richard Holland (1376 - 1396) |
| Sibling | Sir Edmund Holland 4th Earl of Kent (1382 - 1408) |
| Sibling | Joan Holland Duchess of York (1384 - 1434) |
| Sibling | Margaret Holland (1384 - 1439) |
| Sibling | Eleanor Holland Countess of Salisbury (1386 - 1413) |
| Sibling | Bridget Holland (1388 - 1416) |
| Sibling | Elizabeth Holland (1388 - 1423) |
| Sibling | Alice Holland (1393 - 1437) |