Yuri Simeonovich 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 and Anastasia Slutskaya.
- Position held
- Q66200943
- Citizenship
- Grand Duchy of Lithuania
- Born
- 1492
- Died
- April 17, 1542