Barbara Olelkówna Lithuanian princess (~1428-~1490) (b. 1428) Parents Olelko Vladimirovich Children Anna of Warsaw Konrad III Rudy Bolesław V of Warsaw Janusz II of Płock Casimir III of Płock Siblings Evdochia of Kyiv Mikhailo Olelkovich Simeon Olelkovich Yuliana of Karachev Partners Bolesław IV of Warsaw