| Father | Sir Henry 2nd de Hastings Lord Hastings, Knight of Lidgate, Cavendish, Gazeley, Little Udleley and Rede, Suffolk along with being the Hereditary Steward of the Liberty of Bury St Edmunds Abbey (1225 - 1268) |
| Mother | Joan de Cantilupe (1242 - 1271) |
| Sibling | Robert Hastang (1256 - 1287) |
| Sibling | Johanna Hastings (1258 - ) |
| Sibling | Audra Hastings (1260 - 1307) |
| Sibling | Jean Hastings (1260 - 1271) |
| Sibling | John Hastings 1st Baron Hastings (1262 - 1313) |
| Sibling | Lora Hastings (1263 - 1339) |
| Sibling | Caroline de Hastings (1263 - 1337) |
| Sibling | Richard Hastings (1264 - ) |
| Sibling | Edmund de Hastings Lord of Inchmahome (1264 - 1314) |
| Sibling | Edward Hastings (1266 - ) |
| Sibling | Phillip Hastings (1268 - ) |
| Sibling | Anne LeFleming (1270 - ) |
| Sibling | Hugh DeHastings (1310 - 1347) |