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

Guelph IV Duke of was born in 1030 in Este, Italy.  Guelph IV Duke of's father was Azo II Marquis of Este and his mother was CunigundePrincess Of Bavaria.  His paternal grandparents were Azo I Marquis Of Este and Valdrada Of Venice; his maternal grandparents were Guelph II Duke Of Bavaria and Irmtrud Countess Of Luxemburg. He had a half-brother named Guelph IV Duke of.


Guelph IV Duke of's first family with Judith Of Northumbria

They had a son named Henry IX.


Guelph IV Duke of's second family with Judith Of Northumbria



Guelph IV Duke of's third family with Judith Of Northumbria


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