Simeon was born c. 1460.[1] He became the prince of Kopyl and Slutsk in 1481 after his father Mikhailo Olelkovich died.[1][2] Simeon died on 14 November 1503 and was succeeded by his son Yuri as prince.[2]
Family
Simeon married Anastasia Ivanovna, a daughter of Ivan Yuryevich Mstislavsky.[2] Together they had a son, Yuri (c. 1492 – 1542).[1]
Notes
^Russian: Семён Михайлович Слуцкий; Belarusian: Сямён Міхайлавіч Слуцкі, romanized: Syamyon Mikhaylavich Slutski