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Male Frederick I Duke of Upper Lorraine Click to view Frederick I Duke of Upper Lorraine in the family tree

Frederick I Duke of was born about 0912 in Aachen,Rheinland,Prussia.1   Frederick I Duke of's father was Wigerich Count of Trier & Ardennes and his mother was Kunigunde Princess of the West Franks.  His maternal grandmother was Ermentrude Princess of the West Franks. He had two brothers and a sister, named Gonzelon Count of Ardennes, Siegfried Count of Luxemburg and in the Moselgau and Luitgarde of. He had a half-brother named Otto of.1 


Frederick I Duke of's family with Beatrix de France

‌Frederick I Duke of and Beatrix were married in a religious ceremony in 0954 in France.  They had a son and a daughter, named Dietrich I Count of Bar and Duke of Upper Lorraine and Princess of.

1 Royalty for Commoners: The Complete Known Lineage of John  of Gaunt, Son of Edward III, Kin(Royalty for Commoners)
Further source/citation:
Pedigree Resource File CD 6

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