Family: de Montdidier, Count Hilduin IV / de Roucy, Countess Isabelle Adélaïde (F13514)
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Male
de Montdidier, Count Hilduin IV
Birth 22 Jun 1010 Montdidier, Somme, Picardie, France 
Death 15 Nov 1063 Ramerupt, Aube, Champagne-Ardenne, France Burial Nov 1063 France Marriage Ramerupt, Aube, Champagne-Ardenne, France [1, 2] Father Mother
Female
de Roucy, Countess Isabelle Adélaïde
Birth 2 Jun 1014 Roucy, Aisne, Picardie, France Death 19 Jun 1062 Montdidier, Somme, Picardie, France Burial Between 7 Jun and 6 Jul 1083 Roucy, Aisne, Picardie, France Father de Rheims, Archbishop Ebles I | F9626 Group Sheet Mother de Hainault, Beatrice | F9626 Group Sheet
Female
de Montdidier, Margaret Marguerite
Birth 1045 Montdidier, Somme, Picardie, France Death 1110 France Burial Spouse de Clermont, Hugh | F13513 Marriage 1065 Picardie, France
Female
de Montdidier, Countess Beatrix
Birth 1025 Montdidier, Somme, Picardie, France Death 16 Feb 1129 Normandy, France Burial Spouse de Perche, Geoffrey II | F9620 Marriage 1065 Mortagne, Orne, Basse-Normandie, France
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Sources - [S789] WORLD: Family Search, Family Tree.
https://www.familysearch.org/search/tree/name - [S844] WORLD: Foundation for Medieval Genealogy.
http://fmg.ac/
- [S789] WORLD: Family Search, Family Tree.