Maria of Polotsk (1130-1194) (1130–1194) Parents Vasilko Sviatoslavich Children Vladimir III Svyatoslavich Vsevolod IV of Kyiv Mstislav II Svyatoslavich Gleb Svyatoslavich Oleg III Svyatoslavich Boleslava Svyatoslavovna Siblings Izyaslav Vasilkovich Vsevolod Vasilkovich Bryachislav Vasilkovich Vseslav Vasilkovich Partners Sviatoslav III of Kiev
