| Father | Guillaume Iii, D' AVESNES [Count Of Hainau (1280 - 1337) |
| Mother | Jeanne De VALOIS [Countess Of Hai (1294 - 1342) |
| Sibling | Sibylla, Countess Of HOLLAND (1310 - ) |
| Sibling | Margaretha, Countess Of HOLLAND (1311 - 1356) |
| Sibling | Jan, Count Of HOLLAND (1313 - 1316) |
| Sibling | Philippa, Countess Of HAINAULT (HOLLAN (1314 - 1369) |
| Sibling | Johanna, Countess Of HOLLAND (1315 - 1374) |
| Sibling | Willem Iv, Count HOLLAND (1317 - 1345) |
| Sibling | Agnes, Countess Of HOLLAND (1320 - 1327) |
| Sibling | Elisabeth Or Isabella, HOLLAND (1323 - 1361) |
| Sibling | Louis, Count Of HOLLAND (1325 - 1328) |