| Ingelbrecht IV van Petegem en Cysoing | |
| O: | > 1135 |
ca. 1060-ca. 1099
| Boudewijn II van Aalst | |
| G: | ca. 1060 |
| O: | ca. 1099 |
ca. 1060-ca. 1101
| Rignildis | |
| G: | ca. 1060 |
| H: | ca. 1080 |
| O: | ca. 1101 |
ca. 1075-ca. 1138
| Gertrud van Aalst | |
| G: | ca. 1075 |
| O: | ca. 1138 |
ca. 1070-ca. 1139
| Arnulf II van Ardres | |
| G: | ca. 1070 |
| H: | ca. 1085 |
| O: | ca. 1139 |
ca. 1040-1082
| Boudewijn I van Aalst | |
| G: | ca. 1040 |
| O: | 23/24 apr 1082 |
-1076
| Ida van Avesnes | |
| H: | ca. 1060 |
| O: | 1076 |
ca. 1015-ca. 1056
| Radulf van Gent | |
| G: | ca. 1015 |
| O: | ca. 1056 |
ca. 1015-ca. 1055
| Gisela van Luxemburg | |
| G: | ca. 1015 |
| H: | ca. 1035 |
| O: | ca. 1055 |