Igor Svyatoslavich[a] (3 April 1151 – c. 1201),[3][2][4] nicknamed the Brave, was Prince of Novgorod-Seversk (1180–1198) and Prince of Chernigov (1198–1201/1202).

[2][5] #before 1170: Euphrosyne (possibly)[6] Yaroslavna, the second daughter of prince Yaroslav Osmomysl of Halych by his first wife Olga Yuryevna of Kiev[2]