| Father | Maurice "The Magnanimous" BERKELEY [BARON BERKELEY] ( - ) |
| Mother | Eve LA ZOUCHE [BARONESS BERKEL (1289 - ) |
| Sibling | Thomas "The Rich" BERKELEY [BARON BERKELEY] ( - ) |
| Sibling | Millicent BERKELEY (1295 - ) |
| Sibling | Thomas De BERKELEY Lord (1295 - ) |
| Sibling | John De BERKELEY KNIGHT (1297 - ) |
| Sibling | Maurice BERKELEY Sir Knight (1298 - 1346) |
| Sibling | Maurice De BERKELEY (1299 - ) |
| Sibling | Peter BERKELEY (1301 - 1341) |
| Sibling | Eudo De BERKELEY (1301 - ) |
| Sibling | Eudo (Ivo) Ivo BERKELEY (1303 - ) |
| Sibling | Peter De BERKELEY (1304 - ) |
| Sibling | Isabel BERKELEY (1307 - 1362) |