Nielsen Hayden genealogy
Family: Conan I "Le Tort" / Ermengarde of Anjou (F4597)
m. Abt 973
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Male
Conan I "Le Tort"
Birth Death 27 Jun 992 Conquereuil, near Nantes, Brittany, France 
Burial Mont Saint-Michel Abbey, Brittany, France Marriage Abt 973 [1, 2] Father Juhel alias Bérenger | F5913 Group Sheet Mother
Female
Ermengarde of Anjou
Birth Death Aft 992 Burial Father Geoffroi I Grisegonelle | F1910 Group Sheet Mother Adèle of Troyes | F1910 Group Sheet
Male
+ Geoffroi I of Brittany
Birth Abt 980 Death 20 Nov 1008 Burial Spouse Hawise of Normandy | F3119 Marriage Between 996 and 999
Female
+ Judith of Brittany
Birth 982 Death 28 Jun 1017 Burial Bernay Abbey, Bernay, Normandy, France Spouse Richard II | F5082 Marriage Abt 1000
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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.