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Male Otton, Prince of Poznan Click to view Otton, Prince of Poznan in the family tree

Otton, Prince of was born about 1192 in of,Poznan,Poznan,, Poland,,,.1   Otton, Prince of's father was Odon Piast and his mother was Vyacheslava Yaroslavna, Princess of Galich.  His paternal grandparents were Mieszko III "The Old" Prince of Great Poland and Elizabeth Arpad of Hungary; his maternal grandparents were Yaroslav Vladimirkovich 'Osmomysl', Duke of Galich and Olga Evfrosiniya Yurevna, Princess Of, Suzdal. He had a brother and a sister, named Wladislaw Odonic and Ryksa, Princess of.  He was the second oldest of the three children.  He died before September 25th, 1225.1 

1 Genealogical Department, Medieval Family Histories Unit,Address: 50 E. North Temple, Salt Lake City, Utah, Version: Ver4.18 @ AFN=6TKP-B9

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