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Daughter of Angilbert "the Saint" de Ponthieu, abbot of Saint-Riquier and Berta Wife of Comte Helgaud Ponthieu, II and Roger de Ponthieu Mother of Berthe II van Boulogne; Herlouin de Ponthieu, I and Hilddouin de Ponthieu, I, Count of Ponthieu Sister of Nithard "the Chronicler"; Hardouin de Ponthieu and Armid