Nielsen Hayden genealogy
Family: Conan IV / Margaret of Huntingdon (F10579)
m. 1160-
Father | Male
Conan IV
Born Abt 1138 Died 20 Feb 1171 Buried Married 1160 [1] England [1] 
Father Alan III | F10584 Group Sheet Mother Bertha of Brittany | F10584 Group Sheet
Mother | Female
Margaret of Huntingdon
Born Abt 1145 Died 1201 Buried Sawtrey Abbey, Huntingdonshire, England 
Other Spouse Humphrey de Bohun | F650 Married Between 29 Sep 1172 and 1 Jan 1175 Father Henry of Scotland | F1025 Group Sheet Mother Ada de Warenne | F1025 Group Sheet
Child 1 | Female
+ Constance of Brittany
Born Abt 1162 Died 4 Sep 1201 Nantes, France 
Buried Spouse Guy de Thouars | F10577 Married Bef Oct 1199
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Sources - [S142] Royal Ancestry: A Study in Colonial and Medieval Families by Douglas Richardson. Salt Lake City, 2013.
- [S142] Royal Ancestry: A Study in Colonial and Medieval Families by Douglas Richardson. Salt Lake City, 2013.