Nielsen Hayden genealogy
Family: Baldwin III / Mathilde of Saxony (F6238)
m. 961
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Male
Baldwin III
Birth Abt 940 Death 961 Burial Abbey of Saint-Bertin, Saint-Omer, Pas-de-Calais, France 
Marriage 961 [1, 2] Father Arnulf I "The Great" | F6260 Group Sheet Mother Adèle de Vermandois | F6260 Group Sheet
Female
Mathilde of Saxony
Birth Death 25 May 1009 Burial Other Spouse Godefroid | F2988 Marriage Abt 963 Father Hermann | F857 Group Sheet Mother Oda | F857 Group Sheet
Male
+ Arnulf II "The Young"
Birth Death 30 Mar 987 Burial Abbey of Saint-Pierre, Ghent, Flanders 
Spouse Rozala of Italy, Queen Consort of France | F6174 Marriage 968
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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.