| Father | Bartholomew Giffard (1228 - 1314) |
| Mother | Joan de Halsbury (1232 - 1287) |
| Sibling | Janet de Giffard (1262 - ) |
| Sibling | John de Gifford I (1255 - 1310) |
| Sibling | William Giffard (1255 - 1310) |
| Sibling | Ada Gifford (1257 - 1300) |
| Sibling | William Gifford (1260 - 1319) |
| Sibling | Baldwin Gifford (1260 - 1325) |
| Sibling | Margaret Gifford (1260 - ) |
| Sibling | Matthew Giffard (1262 - ) |
| Sibling | Matthew de Giffard (1262 - ) |
| Sibling | Robert Giffard (1264 - 1311) |
| Sibling | James de Gifford (1266 - ) |
| Sibling | Bartholomew Giffard (1285 - ) |
| Sibling | Walter Giffard (1287 - ) |