Nielsen Hayden genealogy
Frederick Barbarossa: The Prince and the Myth by John Freed. New Haven: Yale University Press, 2016.
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Title Frederick Barbarossa: The Prince and the Myth by John Freed. New Haven: Yale University Press, 2016. Source ID S1347 Linked to (17) Albert Azzo II
Baldwin IV "The Bearded"
Conrad I
Louis "the German", King of Bavaria
Rudolf II
Frederick Barbarossa, Holy Roman Emperor
Tostig Godwinson
Emma of Altdorf
Kunigunde of Altdorf
Welf of Altdorf
Judith of Bavaria
Welf I of Bavaria
Judith of Flanders
Frederick II von Hohenstaufen
Family: /
Family: Louis "the German", King of Bavaria / Emma of Altdorf
Family: Louis I "The Pious", Holy Roman Emperor / Judith of Altdorf