Nielsen Hayden genealogy
Family: William IX of Aquitaine / Philippa of Toulouse (F4013)
m. 1094-
Father | Male
William IX of Aquitaine
Born 22 Oct 1071 Died 10 Feb 1126 Buried Married 1094 [1, 2] Other Spouse Dangereuse | F5141 Married Father Guy-Geoffrey of Poitou | F3924 Group Sheet Mother Hildegarde of Burgundy | F3924 Group Sheet
Mother | Female
Philippa of Toulouse
Born Died 28 Nov 1117 Buried Father William IV of Toulouse | F477 Group Sheet Mother Emma of Mortain | F477 Group Sheet
Child 2 | Male
+ William X of Aquitaine
Born 1099 Died 26 Mar 1136 Santiago de Compostela, Galicia, Spain 
Buried Spouse Aénor de Châtellerault | F3649 Married 1121
Child 3 | Female
+ Agnes of Aquitaine
Born Abt 1105 Died Abt 1159 Buried Spouse Ramiro II, King of Aragón & Navarre | F1060 Married 1135
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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.