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Male Duke Guelph IV of Bayern Click to view Duke Guelph IV of Bayern in the family tree

Guelph IV of Bayern was born in 1036.  Guelph IV of Bayern's father was Marq. Azzo II of Este and his mother was Kunigundeof Altdorf.  His paternal grandparents were Marq. Azo I of Este and Valdrada Candiano; his maternal grandparents were Graf Guelph III of Altdorf and Imagi of Luxembourg.  He was an only child.  He died at the age of 65 on November 6th, 1101 in , Cyprus.


Guelph IV of Bayern's family with Judith of Flandres

‌Guelph IV of Bayern and Judith of Flandres were married in a religious ceremony in 1071.  They had a son named Heinrich I of Bayern.

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