| Father | Richard Fitzalan (1346 - 1397) |
| Mother | Elizabeth De Bohun (1350 - 1385) |
| Sibling | Elizabeth Fitzalan X, Duchess of Norfolk (1366 - 1425) |
| Sibling | Alice Fitz-Alan Baroness of Cherleton (1378 - 1416) |
| Sibling | Alice Fitzalan (1378 - 1415) |
| Sibling | Isabel Fitzalan (1384 - ) |
| Sibling | John Fitzalan, de Arundel (2nd Barron of Arundel) (1364 - 1390) |
| Sibling | Margaret Fitzalan (1372 - 1438) |
| Sibling | Lady Elizabeth Fitzalan (1366 - 1425) |
| Sibling | Margaret Fitzalan (1374 - 1423) |
| Sibling | Sir Richard "Knight of Arundel" Fitz Alan (1368 - 1419) |
| Sibling | William Fitzalan (1370 - ) |
| Sibling | Richard Fitzalan IV (1368 - ) |
| Sibling | William Fitzalan (1370 - 1415) |
| Sibling | Lady Joan Elizabeth Fitzalan Baroness Bergavenny ( - 1425) |
| Sibling | Lady Joan Fitzalan (1375 - 1435) |
| Sibling | Margaret Fitzalan (1374 - 1423) |
| Sibling | Margaret Fitz Alan (1360 - 1425) |
| Sibling | Alice Arundel (1390 - ) |
| Sibling | Lady Eleanor Fitzalan (1365 - 1375) |
| Sibling | Sir Thomas, Earl of Arundel Fitzalan (1381 - 1415) |