Individual Details
Living
( - )
Families
| Spouse | Living |
| Child | Alix de Montmorency ( - 1220) |
| Father | Baldwin IV, Count of Hainaut (1108 - 1171) |
| Mother | Alice of Namur ( - 1169) |
| Sibling | Baldwin V, Count of Hainaut (1150 - 1195) |
| Sibling | Living |
| Sibling | Baldwin V, Count of Hainaut (1150 - ) |
| Sibling | Living |