| Father | Thomas De Of Warwick BEAUCHAMP [EARL OF WARWICK (1313 - ) |
| Mother | Catherine (Katherine) De MORTIMER [COUNTESS OF WAR (1309 - ) |
| Sibling | PHILIPPE BEAUCHAMP [COUNTESS OF STA (1334 - ) |
| Sibling | Maud De BEAUCHAMP [BARONESS CLIFFO (1335 - ) |
| Sibling | Thomas De BEAUCHAMP [EARL OF WARWICK (1338 - ) |
| Sibling | William BEAUCHAMP [BARON BERGAVENN (1358 - ) |
| Sibling | Hurom (Jerome) BEAUCHAMP (1343 - ) |
| Sibling | Guy BEAUCHAMP [SIR KNIGHT] (1337 - ) |
| Sibling | Joan BEAUCHAMP (1338 - 1342) |
| Sibling | John BEAUCHAMP (1339 - 1361) |
| Sibling | Roger De BEAUCHAMP (1341 - 1361) |
| Sibling | Reynburn De BEAUCHAMP (1344 - 1361) |
| Sibling | Elizabeth BEAUCHAMP (1345 - ) |
| Sibling | Richard BEAUCHAMP (1347 - ) |
| Sibling | Agnes BEAUCHAMP (1348 - ) |
| Sibling | Margaret BEAUCHAMP (1350 - ) |
| Sibling | Juliana BEAUCHAMP (1352 - ) |
| Sibling | Catherine BEAUCHAMP (1354 - ) |
| Sibling | Isabel De BEAUCHAMP (1356 - 1416) |