Nielsen Hayden genealogy
Family: Odo II / Ermengarde of Auvergne (F3698)
m. Abt 1010-
Father | Male
Odo II
Born 990 Died 15 Nov 1037 Bar-le-Duc, Lorraine, France 
Buried Married Abt 1010 [1, 2, 3] Father Odo I | F1038 Group Sheet Mother Bertha of Burgundy | F1038 Group Sheet
Mother | Female
Ermengarde of Auvergne
Born Died 10 Mar 1040 Buried Father Robert I d'Auvergne | F7783 Group Sheet Mother Ermengarde | F7783 Group Sheet
Child 1 | Female
+ Bertha of Blois
Born Died Abt 1080 Buried Spouse Alan III of Rennes | F8113 Married
Child 3 | Male
+ Thibaut III
Born Abt 1010 Died 29 Sep 1089 Epernay, Marne, France 
Buried Spouse Garsinda of Maine | F381 Married
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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.
- [S3215] Medieval Welsh Ancestors of Certain Americans by Carl Boyer III. Santa Clarita, California, 2004.
- [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.