| | EnquerrandII Count of Ponthieu 980–1053 | | |
Guy Count of Ponthieu 1030–… | | |
| | HughII Count of Ponthieu 1000–1052 | | |
| | Enguerrand Count of Ponthieu 980–1046 | | |
| | Hugh Count of Montreuil 956–1000 | | |
| | | | | | Roger Count of Montreuil …–957 | | | | HerlouinII Count of Ponthieu …–945 | | | | HeligaudII Count of Montreuil …–879 | | |
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