Igor was Prince of Kiev from 912 to 945. Traditionally, he is considered to be the son of Rurik, who established himself at Novgorod and died in 879 while Igor was an infant. According to the Primary Chronicle, Rurik was succeeded by Oleg, who ruled as regent and was described by the chronicler as being "of his kin".

The Grand Prince of Kiev was the title of the monarch of Kievan Rus', residing in Kiev from the 10th to 13th centuries. In the 13th century, Kiev became an appanage principality first of the grand prince of Vladimir and the Mongol Golden Horde governors, and later was taken over by the Grand Duchy of Lithuania.