[1][2][3] According to Jan Długosz, he was a nobleman of the Poraj family.
Supported the Junior Princes in their dispute with Władysław II who after winning the Battle of Poznań in 1146 gave him a donation of the village of Eltville from the Polish Dukes Lands.
He supported the dukes of "juniors" in a dispute with senior Władysław II and after the victorious battle for them at Poznań (beginning of 1146) he received a donation (the village of Lusowo) from the duke of Wielkopolska, Mieszko.
[4][5] The date of the day of his death is given in an obituary from Lubin, the Annales Lubinensis.
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