Nielsen Hayden genealogy
Family: Baldwin I "Iron-Arm" / Judith of France (F6128)
m. Bef 23 Nov 862-
Father | Male
Baldwin I "Iron-Arm"
Born Died 879 Arras, Pas-de-Calais, France 
Buried Abbey of Saint-Bertin, Saint-Omer, Pas-de-Calais, France 
Married Bef 23 Nov 862 [1, 2] Auxerre, Yonne, Burgundy, France [1, 2] 
Father Mother
Mother | Female
Judith of France
Born Abt 844 Died Aft 870 Buried Other Spouse Æthelwulf, King of Wessex and Kent | F1379 Married 1 Oct 856 Verberie, Senlis, Picardy, France 
Other Spouse Æthelbeald, King of the West Saxons | F3311 Married 858 Father Charles II "The Bald", Holy Roman Emperor | F1210 Group Sheet Mother Ermentrude d'Orleans | F1210 Group Sheet
Child 1 | Male
+ Baldwin II "The Bald"
Born Abt 864 Died 917 Buried Abbey of Saint-Pierre, Ghent, Flanders 
Spouse Ælfthryth of Wessex | F202 Married 884
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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., year only.
- [S142] Royal Ancestry: A Study in Colonial and Medieval Families by Douglas Richardson. Salt Lake City, 2013.