Igor II Olgovich was Prince of Chernigov and Grand Prince of Kiev. He was a son of Oleg I of Chernigov.
He was the chosen successor of his brother, Vsevolod II of Kiev. Wikipedia
Born: Kyiv, Ukraine
Died: September 19, 1147, Kyiv, Ukraine
Parents: Oleg I of Chernigov and Theophania Muzalon