Nielsen Hayden genealogy
Family: Heinrich I "The Fowler", King of Germany / St. Matilda (F3555)
m. 909-
Male
Heinrich I "The Fowler", King of Germany
Birth Abt 876 Death 2 Jul 936 Membleben, Lower Saxony, Germany 
Burial Quedlinburg Abbey, Quedlinburg, Saxony-Anhalt, Germany Marriage 909 [1] Father Otto I "The Illustrious" | F2095 Group Sheet Mother Hadwig von Babenberg | F2095 Group Sheet
Female
St. Matilda
Birth Abt 890 Death 14 Mar 968 Quedlinburg, Saxony-Anhalt, Germany Burial Quedlinburg Abbey, Quedlinburg, Saxony-Anhalt, Germany Father Dietrich | F1553 Group Sheet Mother Reinhild of Denmark | F1553 Group Sheet
Male
Otto I, Holy Roman Emperor
Birth 23 Nov 912 Death 7 May 973 Membleben, Lower Saxony, Germany Burial Spouse Eadgyth | F2435 Marriage 930 Spouse St. Adelaide of Italy | F1784 Marriage 951
Female
Gerberga of Saxony
Birth Between 913 and 914 Death 5 May 969 Burial Saint-Rémy de Reims Spouse Giselbert I | F2624 Marriage 929 Spouse Louis IV, King of Western Francia | F5445 Marriage 939
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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.
- [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.