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Male Johann I+ Guelph Click to view Johann I+ Guelph in the family tree

Johann I+ was born about 1243.  Johann I+'s father was Otto+ Guelph and his mother was Mathilde Von+ Brandenburg.  His paternal grandparents were Wilhelm+ Guelph and Helene Of+ Denmark; his maternal grandparents were Albrecht II Von+ Brandenburg and Mathilde+ Von Wettin. He had a brother and four sisters, named Albrecht I+, Helene+, Elizabeth, Agnes+ and Adelheid+.  He was the second youngest of the six children.  He died on December 13th, 1277.


Johann I+'s family with Liutgarde Von+ Holstein-Itzehoe

They had a son and a daughter, named Otto II and Elizabeth+.


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