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Male Jan, Prince of Silesia Click to view Jan, Prince of Silesia in the family tree

Jan, Prince of was born about 1156 in of,Wroclaw,Wroclaw,, Poland,,,.1   Jan, Prince of's father was Boleslaw I 'The Tall' Prince of Silesia and his mother was Adelheid, Countess of Sulzbach.  His paternal grandparents were Wladislav II The Exile Prince Of POLAND and Agnes de Babenberg von ÕSTERREICH; his maternal grandparents were Gebhard I Count Palatinate of Sulzbach and Adelheid Countess of Diessen. He had four brothers and two sisters, named Boleslaw, Prince of, Konrad, Prince, Wladislaw Prince of, Henryk I 'The Bearded', Prince of, Berta, Princess of and Alelajda (Zbyslawa) Princess of. He had a half-brother named Gebhard I Count Of.  He died before March 10th, 1163.1 

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

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