| William II de Warenne (1081 - 1138) |
William Marshall (1146 - 1219) |
| Isabel de Vermandois (1081 - ) |
Isabella de Clare (1174 - 1220) |
| William III de Warenne | Maud Marshall |
| b. 1118 d. 1140, age: 22 occ. |
b. abt 1193 d. 1245, age: 52 occ. |
| Spouses: 1, 2 |
| John de Warenne Isabella de Warenne |