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

I was born in 1249.  I's father was I Albrecht and his mother was Duchess of Brunswick Helene.  His paternal grandparents were III Bernhard and Princess of Great Poland Judyta; his maternal grandparents were Otto I "das Kind" and Margravine of Brandenburg Mathilde. He had a brother and a sister, named II and Duchess of Saxony.  He was the second oldest of the three children. He had a half-brother and two half-sisters, named Duke of Saxony, Queen of Denmark and Marie.

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