| | Ingelbert "Ingelbert IV" de Peteghem-Cysoing 1060–1135 | | |
| | Ingelbert "Ingelbert III" de Peteghem-Cysoing 1030–1082 Mathilde de Bec Crespin 1030–1082 | | |
| | Gismonde de Mortagne 1005–1060 Ingelbert "Ingelbert II" de Peteghem-Cysoing 1002–1058 | | |
| | Melisende de Châteaudun 967– Fulcois de Mortagne 955–1031 | | |
| | Hildouin "Hildouin II" de Ponthieu 934–1009 | | | | Guillaume "Guillaume I" de Ponthieu 910–980 Mathilde de Gamaches 910–965 | | | | Herbouin "Herbouin II" de Ponthieu 885–945 | | | | Helgaud "Helgaud III" de Ponthieu 860–926 | | | | Herlouin "Herlouin I" de Ponthieu 826–878 Hélissende de Ramérupt 828– | | |
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