Nielsen Hayden genealogy
Family: Hildouin IV de Montdidier / Adele de Roucy (F1851)
m. 1031-
Male
Hildouin IV de Montdidier
Birth Abt 1005 Death 1063 Burial Marriage 1031 [1, 2] Father Hildouin III | F4737 Group Sheet Mother
Female
Adele de Roucy
Birth Abt 1014 Roucy, Aisne, Picardy, France 
Death 1062 Burial Father Ebles I de Roucy | F4212 Group Sheet Mother Beatrix of Hainaut | F4212 Group Sheet
Female
+ Beatrix de Montdidier
Birth Death Aft 1129 Burial Spouse Geoffrey II du Perche | F159 Marriage
Female
+ Ade de Montdidier
Birth Death Aft 1095 Burial Liessies Abbey, Nord, France Spouse Godfrey de Guise | F13007 Marriage Spouse Walter van Ath | F14468 Marriage
Male
+ Ebles II
Birth Abt 1033 Death Abt 1104 Burial Spouse Sibylle de Hauteville | F14883 Marriage Bef 1082
Female
+ Marguerite de Montdidier
Birth Abt 1050 of Montdidier, Somme, Picardy, France Death Bef 1101 Burial Spouse Hugues | F5081 Marriage Abt 1080
Female
+ Felicia of Roucy
Birth Abt 1050 Death Burial Spouse Sancho V Ramirez, King Of Aragón; King Of Navarre | F2347 Marriage 1076
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Sources - [S145] Ancestral Roots of Certain American Colonists Who Came to America Before 1700 by Frederick Lewis Weis and Walter Lee Sheppard, Jr. 8th edition, William R. Beall & Kaleen E. Beall, eds. Baltimore: Genealogical Publishing Company, 2004, 2006, 2008.
- [S49] Genealogics by Leo Van de Pas, continued by Ian Fettes and Leslie Mahler.
- [S145] Ancestral Roots of Certain American Colonists Who Came to America Before 1700 by Frederick Lewis Weis and Walter Lee Sheppard, Jr. 8th edition, William R. Beall & Kaleen E. Beall, eds. Baltimore: Genealogical Publishing Company, 2004, 2006, 2008.