| | Seigneur Nicholas de Avesnes 1130–1170 Countess Mathilde de LaRoche 1133–1169 | | | | Walter I de Oisy 1101–1146 Princess Ade de Mortaigne 1114–… | | |
| | | Count Henry I de LaRoche 1070–1138 Mathilde de Limburg 1095–1138 | | | | Count Albert III de Namur 1035–1102 Ida Billung von Saxony 1035–1102 | | | | Count Albert II de Namur 1000–1064 Regilinde de Lorraine 1005–1037 | | |
| | | Herzog Bernard II Billung von Saxony 1002–1059 Elika Margravine von Schweinfurt 1004–1055 | | |
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