St Olga Kiev, was ruler of Kievan Rus as regent for her son Svyatoslav.jpg Olga came from Pskov, married Igor of Kiev. Venerated in Russian Eastern Orthodoxy Roman Catholicism. Saint Olga Of Kiev Ukaine - great grandmother
Saint Olga, Princess of Kiev Wife of Prince Igor. After her husband's death, Olga ruled Kievan Rus as Regent on behalf of their son Sviatoslav. The first Rus ruler to convert to Christianity, she took the name Yelena after baptism.