Nielsen Hayden genealogy
Family: Ordulf of Saxony / Úfhildr Ólafsdóttir (F533)
m. Nov 1042-
Father | Male
Ordulf of Saxony
Born Abt 1020 Died 28 Mar 1072 Buried Married Nov 1042 [1] Father Bernard II | F1206 Group Sheet Mother Eilika of Schweinfurt | F1206 Group Sheet
Mother | Female
Úfhildr Ólafsdóttir
Born Abt 1023 Died 24 May 1070 Buried Father St. Olaf II Haraldsson, King of Norway | F535 Group Sheet Mother Astrid Ólafsdóttir | F535 Group Sheet
Child 1 | Male
+ Magnus of Saxony
Born Abt 1045 Died 23 Aug 1106 Buried Artlenburg, Lower Saxony 
Spouse Sophia of Hungary | F351 Married Between 1070 and 1071
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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., month and year only.
- [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., month and year only.