| Father | Sir Robert De Holland I (1280 - 1328) |
| Mother | Maud La Zouche (1290 - 1341) |
| Sibling | Elizabeth De Holland (1320 - 1387) |
| Sibling | Joane De Holand (1312 - 1347) |
| Sibling | Otho Holland (1314 - 1360) |
| Sibling | John De Holand (1318 - 1359) |
| Sibling | Lady Maud Matilda De Holland Baroness Swynnerton (1319 - 1361) |
| Sibling | Margaret Mary Deholand (1322 - 1349) |
| Sibling | Sir John Thorpe Waterville Deholand (1325 - 1393) |
| Sibling | Jane Deholand (1326 - 1372) |
| Sibling | Robert De Holland II Baron of Holland (1312 - 1373) |
| Sibling | John De Holland (1318 - 1373) |
| Sibling | Otho De Holland (1316 - 1359) |
| Sibling | Isabel De Holland (1328 - ) |
| Sibling | Alan De Holland (1320 - 1339) |
| Sibling | Thomas De Holland 1st Earl of Kent (1314 - 1360) |
| Sibling | Margaret De Holland (1321 - ) |
| Sibling | Thomas Holland (1st Earl of Kent) (1298 - 1396) |