Nielsen Hayden genealogy
Family: Hugues / Marguerite de Montdidier (F5081)
m. Abt 1080-
Father | Male
Hugues
Born Abt 1030 Died 1101 Buried Married Abt 1080 [1, 2] Father Renaud | F3208 Group Sheet Mother
Mother | Female
Marguerite de Montdidier
Born Abt 1050 of Montdidier, Somme, Picardy, France 
Died Bef 1101 Buried Father Hildouin IV de Montdidier | F1851 Group Sheet Mother Adele de Roucy | F1851 Group Sheet
Child 1 | Female
+ Alice de Clermont
Born of Clermont, Oise, Picardie, France 
Died Aft 1136 Buried Spouse Gilbert fitz Richard de Clare | F2356 Married
Child 2 | Male
+ Renaud II de Clermont
Born of Clermont, Oise, Picardie, France 
Died Bef 1162 Buried Spouse Clemence de Bar-le-Duc | F2815 Married Spouse Adèle de Vermandois | F1347 Married Bef 1104
Child 3 | Female
+ Ermentrude de Clermont
Born Died Buried Spouse Hugh "Lupus" d'Avranches | F1555 Married
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Sources - [S142] Royal Ancestry: A Study in Colonial and Medieval Families by Douglas Richardson. Salt Lake City, 2013.
- [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.
- [S142] Royal Ancestry: A Study in Colonial and Medieval Families by Douglas Richardson. Salt Lake City, 2013.