Nielsen Hayden genealogy
Family: Berengario, Holy Roman Emperor / Bertila (F1390)
m. Abt 880-890-
Father | Male
Berengario, Holy Roman Emperor
Born Between 840 and 845 Died 7 Apr 924 Verona, Veneto, Italy 
Buried Married Abt 880-890 [1, 2] Father St. Eberhard | F4126 Group Sheet Mother Gisela of Aquitaine | F4126 Group Sheet
Mother | Female
Bertila
Born Died Between 910 and 915 Buried Father Suppo | F29 Group Sheet Mother Bertha | F29 Group Sheet
Child 1 | Female
+ Gisela of Italy
Born Died Between 13 Jun 910 and 26 Jan 913 Buried Spouse Adalberto | F3807 Married Bef 900
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Sources - [S142] Royal Ancestry: A Study in Colonial and Medieval Families by Douglas Richardson. Salt Lake City, 2013.
- [S91] The Henry Project: The Ancestors of King Henry II of England, by Stewart Baldwin, Todd A. Farmerie, and Peter Stewart.
- [S142] Royal Ancestry: A Study in Colonial and Medieval Families by Douglas Richardson. Salt Lake City, 2013.