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Male Ziemowit I Mazovia Click to view Ziemowit I Mazovia in the family tree

Ziemowit I was born in 1224 in Czersk,Bydgoszcz,Poland.  Ziemowit I's father was Konrad I Mazovia and his mother was Agafiya SVYATOSLAVICH.  His paternal grandparents were Kasimiriez II Sandomierz and Elena Rostislava Smolensk Kiev; his maternal grandparents were Svyatoslav Adrian IGOREVICH and Yaroslava RYURIKOVNA. He had two brothers and a sister, named Kazimierz I Prince Of, Boleslaw I and Eudoksja.  He was the youngest of the four children.  He died at the age of 38 on June 23rd, 1262.


Ziemowit I's family with Pereiaslawa Daniilovna Princess Of Galicia

‌Ziemowit I and Pereiaslawa Daniilovna Princess Of were married in a religious ceremony about 1248.  They had two sons named Boleslaw II and Konrad II Prince Of.

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