| Father | Richard FitzAlan (1306 - 1376) |
| Mother | Eleanor Plantagenet (1318 - 1372) |
| Sibling | Mary Isabel FitzAlan (1322 - 1396) |
| Sibling | Henry Beaumont (1340 - 1369) |
| Sibling | Aline FitzAlan (1340 - 1350) |
| Sibling | John Beaumont (1341 - ) |
| Sibling | Archbishop Thomas FitzAlan (1353 - 1414) |
| Sibling | Margaret Beaumont (1342 - ) |
| Sibling | Joan FitzAlan (1345 - 1419) |
| Sibling | Richard FitzAlan KG (1346 - 1397) |
| Sibling | John FitzAlan (1348 - 1379) |
| Sibling | Alice FitzAlan LG (1352 - 1415) |
| Sibling | Thomas FitzAlan (1352 - 1414) |
| Sibling | Eleanor FitzAlan (1354 - 1376) |
| Sibling | Margaret Fitzalan (1360 - 1420) |
