Hugues I of St Pol (1020-1070) |
Enguerrand II of Montreuil & Ponthieu (1030-1053) |
Adelaide (Countess of Aumale) of Normandy (1029-1089) |
Piers\Peter De Valognes (1053-1087) |
Hugues II of St Pol (1045-1131) |
Elizabeth of Ponthieu (1049- ) |
Hugues III of St Pol (1068-1141) |