John IV may refer to: *

Patriarch John IV of Alexandria John IV served as Greek Patriarch of Alexandria between 569 and 579. References * 6th-century Patriarchs of Alexandria Coptic Orthodox saints {{Saint-stub ...

, Patriarch between 569 and 579 *

John IV of Armenia John IV ( hy, Հովհաննես Դ Ավայեցի) was the Catholicos of the Armenian Apostolic Church in 833–855 when the country was under Abbasid overlordship. In 841, he was deposed by the episcopal synod through the machinations of Bagrat ...

, Catholicos of Armenia between 833 and 855 *

John IV of Constantinople John IV (died September 2, 595), also known as John Nesteutes (, Ioannes the Faster), was the 33rd bishop or Patriarch of Constantinople (April 11, 582 – 595). He was the first to assume the title '' Ecumenical Patriarch''. He is regarded as ...

(died 595), Patriarch from 582 *

Pope John IV Pope John IV ( la, Ioannes IV; died 12 October 642) was the bishop of Rome from 24 December 640 to his death. His election followed a four-month vacancy. He wrote to the clergy of Ireland and Scotland to tell them of the mistakes they were maki ...

(died 642), Pope from 640 *

John IV (bishop of Naples) Saint John IV (died 17 December 849), called the Peacemaker and known in Italian as Giovanni d'Acquarola or Giovanni Scriba,Flavia De Rubeis"Giovanni Scriba, santo" ''Dizionario Biografico degli Italiani'', 56 (Rome: Istituto dell'Enciclopedia It ...

(died 835) *

John IV of Naples John IV was the mostly absentee duke of Naples from 997 to after 1002. He was the son and successor of Sergius III. John IV originally recognised the suzerainty of the Byzantine Emperor. In 999, he was captured and taken a prisoner first to Capu ...

, Duke from 997 to after 1002 *

John IV of Gaeta John IV (died April or August 1012) was the eldest son of John III of Gaeta who was appointed co-duke in 991 while still young (he was a minor even in 994). John succeeded his father in 1008 or 1009 and ruled for a brief four years. John married Si ...

(died 1012) *

John IV of Ohrid Adrianos Komnenos ( gr, Ἀδριανός Κομνηνός; – 1163/64) was a Byzantine prince of the Komnenian dynasty, who became a monk and served as Archbishop of Ohrid as John IV (Ἰωάννης Δ΄) between 1139/42 and his death, someti ...

, Archbishop of Ohrid in 1139/43–1157/64 *

John IV, Count of Soissons John IV (died before May 1302), son of John III, Count of Soissons, and Marguerite of Montfort, daughter of Amaury VI of Montfort, Amaury VI, Count of Montfort. Count of Soissons, inherited upon his father’s death in 1286. John married Margueri ...

(died 1302) *

John IV Laskaris John IV Doukas Laskaris (or Ducas Lascaris) ( el, Ἰωάννης Δούκας Λάσκαρις, ''Iōannēs Doukas Laskaris'') (December 25, 1250 – c. 1305) was emperor of Nicaea from August 16, 1258, to December 25, 1261. This empire was one ...

(1250–1305), Emperor of Nicaea from 1259 to 1261 *

John IV, Duke of Brittany John IV the Conqueror KG (in Breton Yann IV, in French Jean IV, and traditionally in English sources both John of Montfort and John V) (1339 – 1 November 1399), was Duke of Brittany and Count of Montfort from 1345 until his death and 7th Ear ...

(1339–1399), Count of Montfort, 7th Earl of Richmond *

John IV, Lord of Arkel John IV, Lord of Arkel (also known as ''Jan Herbaren van Arkel''; d. 5 May 1360) was Lord of Arkel from 1326 until his death. Life He was the son of John III and his wife, Mabelia of Voorne. Shortly after his father died, John IV became a coun ...

(died 1360) *

John IV, Count of Sponheim-Starkenburg John IV, Count of Sponheim-Starkenburg (born before 1338; died 16 October 1413 or 12 April 1414) was a German nobleman. He ruled the county of Sponheim from 1398 until his death. He married Elisabeth of Sponheim, daughter of Walram, Count of Spon ...

(died 1414) *

John IV, Duke of Saxe-Lauenburg John IV of Saxe-Lauenburg (*?–1414*) was a son of Duke Eric IV of Saxe-Lauenburg and Sophia of Brunswick-Lüneburg. Life When Eric III of Saxe-Bergedorf-Mölln had died in 1401, John's father, Eric IV, inherited the branch duchy of the decease ...

(died 1414) *

John IV, Duke of Mecklenburg John IV, Duke of Mecklenburg (before 1370 – 16 October 1422) was sole ruler of the Duchy of Mecklenburg from 1384 to 1395 and co-regent from 1395 to 1422. Life John IV was the only son of the Duke Magnus I of Mecklenburg and his wife Eli ...

(died 1422) * John IV, Count of Katzenelnbogen (died 1444) *

John IV, Count of Armagnac John IV (15 October 1396 – 5 November 1450) was a Count of Armagnac, Fézensac, and Rodez from 1418 to 1450. He was involved in the intrigues related to the Hundred Years' War and in conflicts against the King of France. Biography Born 15 Oc ...

(1396–1450), Count of Armagnac, Fézensac, and Rodez *

John IV, Duke of Brabant John IV, Duke of Brabant (11 June 1403 – 17 April 1427) was the son of Antoine of Burgundy, Duke of Brabant, Lothier and Limburg and his first wife Jeanne of Saint-Pol. He was the second Brabantian ruler from the House of Valois. He is be ...

(1403–1427) *

John IV of Trebizond John IV Megas Komnenos ( el, Ιωάννης Μέγας Κομνηνός, ''Iōannēs Megas Komnēnos'') (died April 1460) was Emperor of Trebizond from 1429 until his death. He was a son of Emperor Alexios IV of Trebizond and Theodora Kantakouzene ...

(1403–1460), Emperor of Trebizond *

John IV, Count of Nassau-Siegen Count John IV of Nassau-SiegenIn many sources he is called John IV of Nassau(-Dillenburg). His official titles were Count of Nassau, Vianden and Diez, Lord of Breda. It is incorrect to refer to him as the only reigning Count of Nassau, ...

(1410–1475), Count of Nassau, Vianden and Diez * John IV, Marquess of Montferrat (1412–1464) *

Jan IV of Oświęcim Jan IV of Oświęcim ( pl, Jan IV oświęcimski; 1426/1430 – by 21 February 1497), was a Duke of Oświęcim during 1434–1456 (until 1445 with his brothers as co-rulers) and Duke of Gliwice from 1465 to 1482. He was the third son of Duke Casim ...

(1426/1430–1497), Duke of Gliwice *

John IV, Duke of Bavaria John IV. of Bavaria-Munich (German: Johann IV., Herzog von Bayern), (4 October 1437, in Munich – 18 November 1463, in Munich) was duke of Bavaria-Munich from 1460 until his death. Biography John IV was a son of Albert III, Duke of Bavaria ...

(1437–1463) *

John IV, Landgrave of Leuchtenberg John IV, Landgrave of Leuchtenberg (1470 in Pfreimd – 1 September 1531 in Grünsfeld) was Landgrave of Leuchtenberg from 1487 until his death. He was the son and heir of Landgrave Frederick V of Leuchtenberg (d. 19 May 1487 in Nuremberg) and ...

(1470–1531) * John IV, Duke of Krnov (died 1483), Duke of Wodzisław Śląski *

John IV of Chalon-Arlay John IV of Chalon-Arlay or John of Chalon (-15 April 1503) was a prince of Orange and lord of Arlay. He played an important role in the Mad War, a series of conflicts in which aristocrats sought to resist the expansion and centralisation of power ...

(1443–1502), prince of Orange *

Ivan IV the Terrible Ivan IV Vasilyevich (russian: Ива́н Васи́льевич; 25 August 1530 – ), commonly known in English as Ivan the Terrible, was the grand prince of Moscow from 1533 to 1547 and the first Tsar of all Russia from 1547 to 1584. Ivan ...

(1530–1584), Czar of Russia * John IV, Count of Nassau-Idstein (1603–1677) *

John IV of Portugal John IV ( pt, João, ; 19 March 1604 – 6 November 1656), nicknamed John the Restorer ( pt, João, o Restaurador), was the King of Portugal whose reign, lasting from 1640 until his death, began the Portuguese restoration of independence from H ...

(1604–1656), known as John II, Duke of Braganza, before 1640 *

Yohannes IV of Ethiopia ''girmāwī''His Imperial Majesty, spoken= am , ጃንሆይ ''djānhoi''Your Imperial Majesty(lit. "O steemedroyal"), alternative= am , ጌቶቹ ''getochu''Our Lord (familiar)(lit. "Our master" (pl.)) yohanes Yohannes IV (Tigrinya: ዮሓ� ...

(1837–1889) *

Jean, Count of Paris Jean Carl Pierre Marie d'Orléans (born 19 May 1965) is the current head of the House of Orléans. Jean is the senior male descendant by primogeniture in the male-line of Louis-Philippe I, King of the French, and thus, according to the Orléan ...

(born 1965), Orléanist pretender to the French throne as Jean IV

See also