| | Johann VII de Houffalize 1240–1314 Lutgarde von Jülich von Bolland 1247– | | |
| | Isabelle de Hauteville 1209–1272 Henri de Houffalize 1205–1253 | | |
| | Amaury de Hauteville 1185–1220 | | |
| | Nicolas "Nicolas II" d' Avesnes 1165–1227 Alix de Walincourt de Cambrai Oisy 1158–1215 | | |
| | | | | | Nicolas "Nicolas le Beau" d' Avesnes-Oizy 1130–1170 Mahaut de Namur 1115–1169 | | | | Wauthier "Wauthier I" d' Avesnes-Oizy 1110–1149 | | | | Fastré "Fastré II" d' Avesnes-Oizy 1075–1111 Richildis d'Avesnes 1075–1110 | | | | Fastré "Fastré I" d' Avesnes-Oizy 1040–1092 |
| | | Theodoric d' Avesnes 1050–1106 Ada Ramerupt-Montdidier 1047–1121 | | |
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