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Male Janusz I Prince of Mazovia Wyszogrod Click to view Janusz I Prince of Mazovia Wyszogrod in the family tree

Janusz I Prince of was born in 1346 in Czersk,Bydgoszcz,Poland,Poland.  Janusz I Prince of's father was Ziemowit III Prince Of Mazovia and his mother was Eufemia Princess Of Troppau.  His paternal grandparents were Trojden I Prince Of Sochaczew and Mariya Princess Of Galicia Vladimir; his maternal grandparents were Mikulaj II Prince of Troppau Duke of Silesia and Troppau and Anna Princess of Great Poland and Oppeln Ratibor. He had three brothers and three sisters, named Ziemowit IV Prince Of, Henryk Prince Of, Trojden Prince Of, Eufemia Princess Of, Anna Princess Of and Malgorzata Princess Of.  He was the third oldest of the seven children.  He died at the age of 83 on December 8th, 1429 in Wyszogrod,Warszawa,Poland,Poland.


Janusz I Prince of's family

‌Janusz I Prince of were married in a religious ceremony on September 27th, 1376 in ,Bydgoszca,Poland,Poland.

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