hieromartyr killed during the Russian Revolution of 1917 Anna of Kashin, medieval princess, wife of Mikhail of Tver, was twice canonized as a holy protectress of women who suffer the loss of relatives, having lost all her relatives due to wars with the Golden Horde Anthony, John, and Eustathios, martyrs executed by pagan Lithuanian Grand Duke Algirdas Anthony of Kiev, co-founder of the Kiev Pechersk Lavra, the first monastery in Russia Anthony of Siya, founder of the Antonievo-Siysky Monastery Arsenius Matseyevich, archbishop of Rostov who protested against the confiscation of the church's land by Empress Catherine II in 1764, was deprived of his office and imprisoned in a fortress until his death Artemius of Verkola, 16th-century child saint whose body showed no sign of decay Athanasius of Brest-Litovsk, martyr killed by Catholics for opposition to the Union of Brest in the Polish–Lithuanian Commonwealth Athanasius Sakharov, bishop of Kovrov, leader of Catacomb Church, who join to the Russian Orthodox Church in 1945 B Barbara Yakovleva, nun and sister of mercy in the convent of Grand Duchess Elizabeth Fyodorovna, killed by the Bolsheviks along with several Romanov Princes Barlaam of Chikoy, 19th-century missionary in Transbaikal Barlaam of Kiev, the first abbot of the Kiev Pechersk Lavra Barlaam of Khutyn, founder of the Khutyn Monastery in Novgorod Republic Barsanuphius of Optina, archimandrite, starets of Optina Pustyn Basil the Blessed, fool for Christ who gave his name to St. Basil's Cathedral on the Red Square (actually the correct name is the Cathedral of the Intercession or Pokrovsky Sobor) Basil Kalika, 14th-century icon-painter and Archbishop of Novgorod who was elected by the veche and reinvigorated the office Basil of Pavlovsky Posad, mid-19th-century factory worker who turned multiple Old Believers into Russian Orthodoxy Benjamin of Petrograd, metropolitan of Petrograd Boris and Gleb, children of Vladimir the Great, the first saints canonized in Kievan Rus' C Charitina of Lithuania, noblewoman from the pagan Grand Duchy of Lithuania who became a nun in Novgorod Constantine of Murom, 11th-century Prince of Murom who baptized Muromian pagans Cyprian, Metropolitan of Moscow, Metropolitan of Moscow and all Russia who united the churches of the Grand Duchy of Moscow and Grand Duchy of Lithuania for a period Cyrill of Turov, bishop of Turov, one of the first and finest theologians and writers of Kievan Rus' D Daniel of Moscow, the first Grand Prince of Moscow, founder of the first Moscow monasteries (Epiphany