Yury_Olelkovich-Slutsky
Yuri I Olelkovich
Prince of Kopyl and Slutsk (c. 1492 – 1542)
Yuri Simeonovich[lower-alpha 1] (c. 1492 – 17 April 1542)[1] was the prince of Kopyl and Slutsk from 1503 until his death in 1542. He was from the Olelkovich family of the Grand Duchy of Lithuania and was a son of Simeon Mikhailovich Slutsky.