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Male Otto I "das Kind" Click to view Otto I "das Kind" in the family tree

Otto I "das was born in 1204 in Braunschweig, Braunschweig, Germany.  Otto I "das' father was Duke of Brunswick Wilhelm and his mother was Princess of Denmark Helene.  His paternal grandparents were Heinrich V "The Lion" and Matilda Plantagenet; his maternal grandparents were Valdemar I "The Great" Knutsson and Sofiya Vladimorovna.  He was an only child.  He died at the age of 48 on June 9th, 1252.


Otto I "das' family with Margravine of Brandenburg Mathilde

They had four sons and six daughters, named Duke of Brunswick, Albrecht, I, Duke of Brunswick, Matilde, Duchess of Brunswick, Duchess of Brunswick, Duchess of Brunswick, Duchess of Brunswick-Lüneburg and Duchess of Brunswick-Lüneburg.

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