| | Lambert de Lens 1022–1054 Adelaide of Normandy 1021–1058 | | |
Gerberge de Boulogne 1023–1049 | | |
| | Count Eustace II de Boulogne 1030–1087 | | |
| | Eustace de Boulogne 1004–1049 Mathilda de Louvain 1004–1049 | | |
| | Baldwin II de Boulogne 976–1033 Adelina de Holland 985–1045 | | |
| | Arnulf III de Boulogne 922–990 Hawise de Bourbourg 927–… | | |
| | Adelulf de Boulogne 890–933 |
