Family: Eustace I of Boulogne / Maud of Louvain (F904)
Lambert I of Louvain (970- ) |
Gerberga of Lorraine (975- ) |
Eustace I of Boulogne (1000- ) 
|
| Maud of Louvain (1005- ) |
Lambert of Lens-Boulogne (1025- )  |
| Lambert I of Louvain (970- ) |
| Gerberga of Lorraine (975- ) |
| Eustace I of Boulogne (1000- )
|
| Maud of Louvain (1005- ) |
| Lambert of Lens-Boulogne (1025- ) |
