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Male Otto I Of Hesse Landgrave Click to view Otto I Of Hesse Landgrave in the family tree

Otto I was born in 1272 in Marburg, , , Hesse.  Otto I's father was Heinrich I Of Hesse Landgrave and his mother was Adelheid Luneburg Brunswick Duchess.  His paternal grandparents were Henry II Of Brabant Duke and Sophie Of Hesse Landgravine; his maternal grandparents were Otto I Luneburg Of Brunswick Duke and Matilda Of Brandenburg Princess. He had a brother and three sisters, named Heinrich, Sophia, Adeheid and Katharine.  He was the youngest of the five children. He had a half-brother named Heinrich III.  He died at the age of 56 on January 17th, 1328.  He was buried in 1328.


Otto I's family with Adelheid Of Ravensberg

‌Otto I and Adelheid were married in a religious ceremony in 1297.  They had a son named Louis.

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