Library

640–700 · Medieval

Isḥaq of Nineveh (Syriac: ܡܪܝ ܐܝܣܚܩ ܕܢܝܢܘܐ, romanized: mār isḥāq d-ninwē; Arabic: إسحاق النينوي Ishaq an-Naynuwī; c. 613 – c. 700), also remembered as Saint Isaac the Syrian (Ancient Greek: Ἰσαὰκ ὁ Σύρος), Isaac of Nineveh, Abba Isaac, Isaac Syrus and Isaac of Qatar, was a 7th-ce…

1050–1090 · Medieval

Isaiah of Rostov (fl. 1062 – died 1089 or 1090) was a Russian Christian missionary and bishop. His feast day in the Russian Orthodox Church is celebrated on May 15. Isaiah was born near Kiev. He was tonsured at Kiev Pechersk Lavra, and became abbot of Saint Dmitry's Monastery.

1569 · Reformation

Uliana Paletskaya (died 1569), was a Princess of Russia by marriage to Yuri of Uglich. She was the daughter of Dmitry Paletsky. She married Yuri in 1547. They had a son. She was forced to become a nun when she was widowed, by her brother-in-law the czar.

1304–1341 · Medieval

Ivan I Danilovich Kalita (Russian: Иван I Данилович Калита, lit. 'money bag'; c. 1288 – 31 March 1340) was Prince of Moscow from 1325 and Grand Prince of Vladimir from 1331 until his death in 1340.

1872–1918 · Contemporary

Ivan Mikhailovich Kharitonov (Russian: Иван Михайлович Харитонов; 14 June 1870 – 17 July 1918) was the Head Cook at the court of Tsar Nicholas II of Russia.

1867–1938 · Contemporary

Ivan Popov is the name of:

1550–1620 · Reformation

Ivan Vyshenskyi (Ukrainian: Іван Вишенський; born ca. 1550 in Sudova Vyshnia – after 1620, Mount Athos, Greece) was a Ukrainian Orthodox monk and religious philosopher. He is considered to be an important polemicist of the time. Not much is known about the life of Vyshenskyi.

1878–1937 · Contemporary

Jacob, later given the name Israel, is a Hebrew patriarch of the Abrahamic religions. He first appears in the Torah, where he is described in the Book of Genesis as a son of Isaac and Rebecca.

505–578 · Medieval

Jacob Baradaeus , also known as Jacob bar Addai or Jacob bar Theophilus, was the Bishop of Edessa from 543/544 until his death in 578. He is venerated as a saint in the Oriental Orthodox Churches and his feast day is 31 July.

451–521 · Medieval

Jacob of Serugh , also called Jacob of Sarug or Mar Jacob (Syriac: ܡܪܝ ܝܥܩܘܒ, romanized: Mār Yaʿquḇ), was one of the foremost poets and theologians of the Syriac Christian tradition, second only to Ephrem the Syrian and equal to Narsai.

901–1030 · Medieval

Joachim of Korsun (Russian: Иоаким Корсунянин) was the first bishop of Novgorod the Great (r. ca. 989 – 1030). His surname suggests he probably came from the Byzantine town of Cherson (Korsun) on the Crimean Peninsula and, according to the chronicles, arrived in Kievan Rus' aroun…

1560–1631 · Reformation

Job Boretsky (Ukrainian: Йов, secular name Ivan Matfeyevich Boretsky, Polish: Iwan Borecki, died 2 March 1631) was the Metropolitan of Kiev, Galicia and all Rus' in the Ecumenical Patriarchate of Constantinople in the Eastern Orthodox Church from 1620 to 1631.

1550–1621 · Reformation

Job of Maniava, born Ivan Knyahynytskyi (Ukrainian: Княгиницький Йов; 1550, Tysmenytsya, present-day Ukraine - 30 December 1621) and named as a monk Ezekiel, was a Ukrainian Orthodox saint and an Orthodox clerical activist.

1551–1651 · Reformation

Job of Pochayev (Ukrainian: Йов Почаївський; c. 1551 – 28 October 1651), to the world Ivan Zalizo (Ukrainian: Іван Залізо), in Great Schema John (Ukrainian: Іоан) was an Eastern Orthodox monk and saint.

1192–1254 · Medieval

John III Doukas Vatatzes, Latinized as Ducas Vatatzes (Greek: Ἰωάννης Γ´ Δούκας Βατάτζης, romanized: Iōánnēs Doúkās Vatatzēs; c. 1192 – 3 November 1254), was Emperor of Nicaea from 1221 to 1254. He was succeeded by his son, known as Theodore II Doukas Laskaris.

1871–1917 · Contemporary

Ivan Alexandrovich Kochurov (Russian: Иван Александрович Кочуров; Russian: Иоанн Кочуров) (13 July 1871 (Ryazan, Russia) – 31 October 1917 (Tsarskoye Selo, Russia)), better known as John Kochurov, was a Russian priest of the Russian Orthodox Church who was martyred during the Oct…

1280–1360 · Medieval

John Koukouzeles Papadopoulos (Greek: Ιωάννης Κουκουζέλης Παπαδόπουλος, romanized: Ioannis Koukouzeles Papadopoulos) was a Byzantine composer, singer and reformer of Byzantine chant. He was recognized as a saint by the Eastern Orthodox Church after his death.

1000–1070 · Medieval

John Mauropous (Greek: Ἰωάννης Μαυρόπους, Iōánnēs Maurópous, lit. "John Blackfoot") was an Eastern Roman poet, hymnographer, and author of letters and orations, who lived in the 11th century. John Mauropous was born in Paphlagonia around 1000.

985 · Medieval

John Tornike (Georgian: იოანე თორნიკე, romanized: ioane tornik'e; Greek: Ιωάννης Τορνίκιος), also known as Tornike Eristavi (Georgian: თორნიკე ერისთავი; died in 985) was a retired Georgian general and monk who came to be better known as a founder of the formerly Georgian Orthodox…

1350–1423 · Medieval

Jovan Uroš Nemanjić (Serbian Cyrillic: Јован Урош Немањић) or John Ouresis Doukas Palaiologos or Joasaph of Meteora (Greek: Ιωάννης Ούρεσης Δούκας Παλαιολόγος, romanized: Iōannēs Ouresēs Doúkas Palaiologos), was the ruler of Thessaly from c. 1370 to c.

675 · Medieval

John V of Constantinople (Greek: Ἰωάννης; died August 675) was the Ecumenical Patriarch of Constantinople from 669 to 675. He had ecumenically been proceeded by Thomas II of Constantinople.

791 · Medieval

John of Gothia (Greek: ᾿Ιωάννης ἐπίσκοπος τῆς Γοτθίας, Iōánnēs epískopos tēs Gotthiás; died c. 791 AD) was a Crimean Gothic metropolitan bishop of Doros, and rebel leader who overthrew and briefly expelled the Khazars from Gothia in 787.

1829–1909 · Contemporary

John of Kronstadt or John Iliytch Sergieff (pre-reform Russian: Іоаннъ Кронштадтскій; post-reform Russian: Иоанн Кронштадтский; 31 October [O.S. 19 October] 1829 – 2 January 1909 [O.S.

876–946 · Medieval

Saint John of Rila, also known as Ivan Rilski (Bulgarian: Свети преподобни Иван Рилски Чудотворец, romanized: Sveti prepodobni Ivan Rilski Chudotvorets, lit. 'Saint John of Rila the Wondermaker'; c. 876 – 18 August 946), was the first Bulgarian hermit.

1896–1966 · Contemporary

Saint John of Shanghai and San Francisco (Russian: Иоанн Шанхайский и Сан Францисский, romanized: Ioann Shankhayskiyi i San Frantsiskyi; born Mikhail Borisovich Maximovitch, Russian: Михаил Борисович Максимович; June 4, 1896 – July 2, 1966) was a prelate of the Russian Orthodox C…

1651–1715 · Modern

John of Tobolsk (Russian: Иоанн Тобольский; 1651–1715), born Ioann Maksimovich Vasilkovskiy (Russian: Иоанн Максимович Васильковский; Ukrainian: Іван Максимович Васильківський, romanized: Ivan Maksymovych Vasylkivskyi) was a teacher, writer and clergyman of Ukrainian Cossack orig…

850–901 · Medieval

John the Exarch (also transcribed Joan Ekzarh; Church Slavonic: Їѡаннъ Єѯархъ Bulgarian: Йоан Екзарх) was a medieval Bulgarian scholar, writer and translator, one of the most important men of letters working at the Preslav Literary School at the end of the 9th and the beginning o…

920–1005 · Medieval

John the Iberian (Georgian: იოანე მთაწმინდელი; died c. 1002) was a Georgian monk, who is venerated as a saint. His name refers to his origins from the Kingdom of the Iberians.

400 · Early Church

John the Warrior (Greek: Ἰωάννης ὁ στρατιώτης, Russian: Иоанн Воин, Ioann Voin) or John the Soldier in the Catholic Church is a Christian saint and martyr. He was born in the 4th century and lived until his death in the Byzantine Empire.

1888–1925 · Contemporary

Bishop Jonah (secular name Vladimir Ilyich Pokrovsky, Russian: Владимир Ильич Покровский; April 17, 1888 – October 20, 1925), was a titular bishop of Hankou of the Russian Orthodox Church Outside Russia (ROCOR).

1390–1461 · Medieval

Jonah of Moscow (Russian: Иона, romanized: Iona; died 31 March 1461) was Metropolitan of Kiev and all Rus', the primate of the Russian Orthodox Church, from 1448 until his death in 1461.

1440–1515 · Reformation

Joseph Volotsky (Russian: Ио́сиф Во́лоцкий; 1439 or 1440 – September 9, 1515), also known as Joseph of Volotsk or Joseph of Volokolamsk, born Ivan Sanin (Russian: Ива́н Са́нин), was a prominent Russian theologian and early proponent of tsarist autocracy.

816–886 · Medieval

Joseph the Hymnographer (Greek: Όσιος Ιωσήφ ο Υμνογράφος, romanized: Ósios Iosif o Ymnográfos) was a Greek monk of the ninth century. He is regarded as one of the greatest liturgical poets and hymnographers of the Eastern Orthodox Church.

1500–1502 · Reformation

Jovan Branković was the titular Despot of Serbia from 1493 until his death in 1502. The title of despot was given to him by Hungarian king Vladislas II of Hungary. From 1493 to 1497 he held the title together with his elder brother Đorđe Branković, who was despot from 1486.

990–1016 · Medieval

Jovan Vladimir or John Vladimir (Serbian Cyrillic: Јован Владимир; c. 990 – 22 May 1016) was the ruler of Duklja, the most powerful Serbian principality of the time, from around 1000 to 1016.

1894–1979 · Contemporary

Justin Popović was a Serbian Orthodox theologian, archimandrite of the Ćelije Monastery, Dostoyevsky scholar, writer, anti-communist advocate and critic of the pragmatic church ecclesiastical life.

350–458 · Early Church

Saint Juvenal (Greek: Άγιος Ιουβενάλιος) was Bishop of Jerusalem from 422. On the See of Jerusalem being recognised as a Metropolitinate by the Council of Chalcedon, he became the first Metropolitan of Jerusalem, an office he occupied until his death in 458.

1761–1796 · Modern

Juvenaly of Alaska (Russian: Иеромонах Ювена́лий; 1761, Yekaterinburg, Russia – 1796, Kuinerrak, Alaska), Protomartyr of America, was a Russian hieromartyr and member of the first group of Orthodox missionaries who came from the monasteries of Valaam and Konevets to evangelize th…

1876–1934 · Contemporary

Archbishop John (Latvian: Аrhibīskaps Jānis, Russian: Архиепископ Иоанн, secular name Jānis Pommers or Ivan Andreyevich Pommer, Russian: Иван Андреевич Поммер; 6 (18) January 1876 – 29 September (12 October) 1934) was the first Latvian Archbishop of the Latvian Orthodox Church, s…

810–865 · Medieval

Kassia, Cassia, Kassiane, or Kassiani was a Byzantine-Greek composer, hymnographer and poet. She holds a unique place in Byzantine music as the only known woman whose music appears in the Byzantine liturgy.

1560–1624 · Reformation

Ketevan the Martyr (Georgian: ქეთევან წამებული, romanized: ketevan ts'amebuli) (c. 1560 – September 13, 1624) was a queen consort of Kakheti, a kingdom in eastern Georgia. She was regent of Kakheti during the minority of her son Teimuraz I of Kakheti from 1605 to 1614.

1852–1918 · Contemporary

Konstantin Dmitriyevich Golubev (Russian: Константи́н Дми́триевич Го́лубев; 27 March 1896 – 9 June 1956) was a Soviet general and army commander. He was born in Petrovsk, Saratov Governorate (in present-day Saratov Oblast).

768–853 · Medieval

Konstanti Kakhay or Konstanti Kakhi (Georgian: კონსტანტი კახაჲ; კონსტანტი კახი) (768 – November 10, 853) was a Christian Georgian nobleman from Kartli, who was seized captive by the Abbasid general Bugha al-Kabir during his 853 expedition into the Caucasus.

1875–1964 · Contemporary

Kuksha of Odessa, born Kuzma Kirillovich Velichko (25 January [O.S. January 12] 1875 in Arbuzynka, Kherson Governorate, Russian Empire – 24 December 1964 in Odessa, USSR), was an imperial Russian priest and a Ukrainian Orthodox Church (Moscow Patriarchate) saint who was canonized…

1001–1113 · Medieval

Kuksha of the Kiev Caves (Russian: Кукша Печерский, romanized: Kuksha Pechersky; died after 1114) was a monk and martyr from the Kiev Pechersk Lavra.

250–289 · Early Church

Saint Kyriaki (Greek: Αγία Κυριακή, Macedonian: Света Недела), also known as Saint Kyriaki the Great Martyr (Greek: Αγία Κυριακή η Μεγαλομάρτυς, Macedonian: Света великомаченичка Недела), is a Christian saint who was martyred under the Roman emperor Diocletian.

1855–1918 · Contemporary

St. Kyrion II (Georgian: კირიონ II) (November 10, 1855 – 26 June 1918) was a Georgian religious figure and historian who served as the first Catholicos-Patriarch of All Georgia after the restoration of independence (autocephaly) of the Georgian Orthodox Church from the Russian Or…

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Kyros of Constantinople (Ancient Greek: Κῦρος; died 8 January 712) was the Ecumenical Patriarch of Constantinople from 705 to 711. He is regarded as a saint in the Eastern Orthodox Church and Catholic Church, which had set his feast for 7 January in Catholic Church and 8 January…

1877–1918 · Contemporary

Saint Lawrence or Laurence (Latin: Laurentius, lit. 'laurelled'; 31 December 225 – 10 August 258) was one of the seven deacons of the city of Rome under Pope Sixtus II who were martyred in the persecution of the Christians ordered by the Roman emperor Valerian in 258.

1329–1389 · Medieval

Lazar Hrebeljanović (Serbian Cyrillic: Лазар Хребељановић; c. 1329 – 15 June 1389) was a medieval Serbian ruler who created the largest and most powerful state on the territory of the disintegrated Serbian Empire.