William de Hiesmes, 1st Count of Eu
972 - 1058 (86 years)(Notes: You may have to scroll down or right to see chart.)
| Richard FitzPons, Lord of Cantref Bychan | |
| B: | Abt 1080 |
| D: | 1129 |
| Matilda FitzWalter | |
| D: | Aft 1127 |
| Pons FitzPons | |
| B: | 1034 |
| D: | 1086 |
| Unknown |
| Unknown |
|
| William de Hiesmes, 1st Count of Eu | |
| B: | 972 |
| D: | 26 Jan 1057/58 |
| Lesseline de Harcourt | |
| B: | 991 |
| Normandy, France | |