Troitsky, archbishop of Vereya, one of the greatest Russian theologians of the early 20th century I Igor II of Kiev, Grand Prince of Kiev turned monk, martyr Prince Igor Constantinovich of Russia, a member of the Romanov family, killed by Bolsheviks Ilia Muromets, a medieval warrior, and in later life a monk of Kiev Pechersk Lavra. Ignatius Bryanchaninov, bishop of Caucassus, major 19th-century spiritual writer Innocent of Alaska, a missionary to Alaska and Metropolitan of Moscow. Innocent of Irkutsk, a missionary to Siberia and the first bishop of Irkutsk Ioakim Korsunianin, the first bishop of Novgorod the Great and builder of the original wooden Saint Sophia Cathedral in Novgorod Irenarch of Rostov, a 16th-century hermit of Rostov, mystic and visionary, a companion of John the Hairy Isaiah of Rostov, 11th-century missionary, the second bishop of Rostov J Jacob Netsvetov, a Russian native of the Aleutian Islands who became a priest and missionary among Alaskan peoples Joasaph of Belgorod, an 18th-century bishop of Belgorod, canonized in 1911 for the miraculous cures attributed to his relics Job of Maniava, defender of Russian Orthodoxy in Ukraine, the founder of Maniava Skit Job of Pochayiv, defender of Russian Orthodoxy in Ukraine, a prominent hegumen and builder of Pochayiv Lavra John the Hairy, 16th-century yurodivy (fool-for-Christ), a companion of Irenarch of Rostov John Kochurov, early 20th-century Orthodox missionary to the United States, later hieromartyr killed by Bolsheviks during the October Revolution John of Kronstadt, patron saint of St Petersburg, mystic and religious writer John of Moscow, fool-for-Christ and wonderworker of Moscow during the reign of Boris Godunov John of Novgorod, highly venerated 12th-century Archbishop of Novgorod John of Pskov, a hermit living in Pskov at the turn of the 16th to 17th century John the Russian, one of the most renowned saints in the Greek Orthodox Church, 18th-century Russian prisoner of war in the Ottoman Empire, wonderworker respected even by Muslims John of Shanghai and San Francisco, wonderworker, archbishop and most known missionary of Russian Orthodox Church Outside of Russia John of Tobolsk, founder of Chernigov Collegium, missionary in Siberia and metropolitan bishop of Tobolsk Jonah of Manchuria, diocesan bishop of the Russian Orthodox Church Outside Russia who served in Northern China in the years immediately following the Bolshevik Revolution Jonah of Moscow, the first independent Metropolitan of Moscow and all Russia appointed without the approval of the Patriarch of Constantinople Joseph Volotsky, prominent caesaropapist