Bolesław Jerzy of Mazovia
Polish noble (1308-1340) · Historical Figures · Died at 32
Yuri II Boleslav, was a prince and Dominus of Ruthenia in 1325-1340. He was the son of Trojden I, Duke of Masovia, a member of the Piast dynasty and the grandson of Yuri I of Galicia. His murder prompted a war of succession, known as the Galicia-Volhynia Wars.
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