| Father | Lord Thomas DARCY II (1143 - 1180) |
| Mother | Lady Adelicia DEINCOURT (1143 - 1183) |
| Sibling | Sir Roger D'ARCY (1160 - ) |
| Sibling | Agnes DARCY (1165 - ) |
| Sibling | Thomas DARCY III, Lord of Nocton (1168 - 1206) |
| Sibling | daughter of Thomas DARCY (1169 - ) |
| Sibling | Abigail DARCY (1170 - ) |
| Sibling | Baldwin DARCY (1171 - 1220) |
| Sibling | Isabella DARCY (1174 - ) |
| Sibling | Joan DARCY (1174 - ) |
| Sibling | William DARCY (1176 - ) |
| Sibling | Ariel DARCY (1177 - ) |
| Sibling | Margaret D'ARCY (1177 - ) |
| Sibling | Hervey DARCY (1178 - 1223) |
| Sibling | Beatrice D'ARCY (1180 - 1239) |