| | Sibyl de Tingrie 1151–1223 Ingelram de Fiennes 1147–1190 | | |
| | Pharamus de Boulogne de Tingrie 1125–1183 | | |
| | Walter FitzRobert 1133–1198 | | |
Aveline de Lucy 1142–1197 | | |
| | Rohese de Boulogne 1100–1179 Richard de Lucy 1099–1179 | | |
| | William de Boulogne 1081–1130 | | |
| | Geoffrey de Boulogne 1065–1130 Beatrice de Mandeville 1062–1130 | | |
| | Eustache de Champagne 1140–… Anselme de Saint Pol 1110–1164 | | |
| | Eustace IV de Boulogne 1120–1153 Princess Constance of France 1124–1176 | | |
Countess Marie I of Boulogne 1136–1180 | | |
| | Matilda of Boulogne 1103–1151 King Stephen of England 1095–1154 | | |
| | Eustace III de Boulogne 1076–1125 Princess Mary of Scotland 1082–1116 | | |
| | 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 |
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| | | Count Arnulf I de Gand 951–996 Liutgarde Kleves de Luxembourg 963–1005 | | | | Count Dirk II Dietrich de Holland 930–988 Countess Hildegarde de Flanders 935–990 | | |
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