| | Gilbert de Gand 1048–1095 Alice de Montfort 1050–1091 | | | | Gisele de Luxembourg 1028–1058 | | | | Adalbert de Gand 995–1032 Ermengarde de Flanders 1005–1032 | | | | Count Arnulf I de Gand 951–996 Liutgarde Kleves de Luxembourg 963–1005 | | |
| | | Count Baldwin IV de Flanders 980–1035 Ogive V de Luxembourg 986–1036 Eleanora of Normandy 1011–1071 | | |
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| | | Hugh de Montfort 1020–1088 Alice de Beauffou 1025–1100 | | |
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