John VI Kantakouzenos

John VI Kantakouzenos, Cantacuzenus, or Cantacuzene[1] (Greek: Ἰωάννης Ϛʹ Καντακουζηνός, Iōannēs VI′ Kantakouzēnos; Latin: Johannes Cantacuzenus;[2] c. 1292 – 15 June 1383[3]) was a Greek nobleman, statesman, and general. He served as grand domestic under Andronikos III Palaiologos and regent for John V Palaiologos before reigning as Byzantine emperor in his own right from 1347 to 1354. Deposed by his former ward, he was made to retire to a monastery under the name Joasaph Christodoulos and spent the remainder of his life as a monk and historian. At age 90 or 91 at his death, he was the longest living of the Roman emperors.

"John Kantakouzenos", "John Cantacuzenus", etc. redirect here. For other people with the same name, see John Kantakouzenos (disambiguation)
John VI Kantakouzenos
Emperor and Autocrat of the Romans
John VI presiding over a synod
Emperor of the Byzantine Empire
Reign31 March 1347 – 10 December 1354
PredecessorJohn V Palaiologos (alone)
SuccessorJohn V Palaiologos
(alongside Matthew Kantakouzenos)
Co-monarchJohn V Palaiologos
Matthew Kantakouzenos
Born1292
Constantinople, Byzantine Empire
Died15 June 1383 (aged 90/91)
Peloponnese, Despotate of Morea
Burial
Mistra, Peloponnese, Greece
SpouseIrene Asanina
IssueMatthew Kantakouzenos
Manuel Kantakouzenos
Andronikos Kantakouzenos
Maria Kantakouzene
Theodora Kantakouzene
Helena Kantakouzene
Full name
John VI Kantakouzenos
Ἰωάννης Ϛʹ Καντακουζηνός
HouseKantakouzenos
FatherMichael Kantakouzenos
MotherTheodora Palaiologina Angelina

Early life

Born in Constantinople,[2] John Kantakouzenos was the son of Michael Kantakouzenos, governor of the Morea; Donald Nicol speculates that he may have been born after his father's death and raised as an only child.[4] Through his mother Theodora Palaiologina Angelina, he was related to the then-reigning house of Palaiologos.[5] He was also related to the imperial dynasty through his wife Eirene Asanina, a second cousin of Emperor Andronikos III Palaiologos.[6] Kantakouzenos became a close friend to Andronikos III and was one of his principal supporters in Andronikos's struggle against his grandfather, Andronikos II Palaiologos. On the accession of Andronikos III in 1328, he was entrusted with the supreme administration of affairs and served as grand domestic throughout his reign. He was named regent to Andronikos's successor, the 9-year-old John V, upon the emperor's death in June 1341.[2]

Kantakouzenos apparently began with no imperial ambitions of his own, having refused several times to be crowned co-emperor by Andronikos III. After the death of the emperor, Kantakouzenos again refused to take the throne, insisting on the legitimacy of John V's claim and contenting himself with overseeing the empire's administration until the boy came of age. Whether he would have remained loyal is unknowable but, despite his professed devotion to John V and his mother Anna, she came to suspect him of treason.[2] His close friendship with the late emperor and power over his successor had aroused the jealousy of his former protégés, Patriarch John XIV of Constantinople and Alexios Apokaukos; after a series of failed attempts, they succeeded in overthrowing his regency in September 1341 while he was out of the capital readying an army against the Crusader principalities that still held parts of the Peloponnesus. He attempted to negotiate with the usurpers, but this was rebuffed and his army was ordered to disband. Further, his relatives in Constantinople were driven into exile or imprisoned, with their property confiscated by the new regents. His mother Theodora died owing to the mistreatment she suffered while under house arrest. His army ignored the new regents' orders and proclaimed Kantakouzenos emperor at Didymoteichon in Thrace as John VI.[7] He accepted this, while continuing to style himself as the junior ruler to John V.

Civil War
Main article: Byzantine civil war of 1341–1347

The ensuing civil war lasted six years; calling in foreign allies and mercenaries of every description, the two sides completely disrupted and almost ruined the empire.[2] At first, John VI marched to Thessalonica, which the ruling families planned to hand over to him. Apokaukos anticipated this move and sent a fleet to reinforce the city, obliging John to flee to Serbia, where Stefan Dušan sheltered him and lent him military support. This proved largely ineffectual, and only the intervention of John's old friend and ally Umur of Aydin broke the regency's siege of his headquarters at Didymoteichon.

During another attempt on Thessalonica the following year, the Serbians switched sides to support the regency, leaving John stranded once more before that city. Yet again, Umur came to his rescue, and their combined forces broke out of Macedonia to return to Didymoteichon. The war dragged on another four years as neither side could dislodge the other, although time was on John VI's side. He struck a bargain with the Ottoman Turks, giving Orhan Bey his daughter, Theodora, for his harem and permitting him to take Greek Christians as slaves. The Greco-Turkish force prevailed and John VI entered Constantinople in triumph in 1347.[7][lower-alpha 1] Empress Anna and John VI agreed that the latter would rule as senior emperor for ten years, after which John V would reach seniority and share power as an equal to Kantakouzenos.

Reign
John VI as emperor (left) and monk (right)

During John's reign, the empire—already fragmented, impoverished, and weakened—continued to be assailed on every side.[2]

The Genoese, disregarding the terms of the treaty which permitted their colony at Galata, began fortifying and arming it. Their customs dues undercut the Byzantines and meant that as much as 87% of the revenue from control of the Bosphorus went to them instead of the empire. John VI attempted to rebuild the shattered Byzantine navy in preparation for the war he expected to follow a reduction of Constantinople's own customs dues. He was able to borrow enough to construct 9 fair-sized ships and about 100 smaller ones before he lowered the rates and began siphoning off Genoa's income. When they did declare war, however, they were able to sink or capture his fleet by early 1349. The Genovese were forced to negotiate after major areas of Galata were burnt, including its wharves and warehouses, but the Byzantine Empire thenceforth was forced to turn to an alliance with the Republic of Venice for naval protection. This led to their involvement in Venice's 1350 war against Genoa, but Paganino Doria was able to force John VI (and the twelve ships he had fielded) out of the war by a Pyrrhic victory off Constantinople the next year.

In 1351, Kantakouzenos oversaw the Fifth Council of Constantinople, wherein Gregory Palamas' mystical hesychastic theology was declared Orthodox over the objections of Barlaam of Calabria and other Byzantine philosophers.[8]

By this time, Stefan Dušan had taken Albania, Macedonia, and Epirus. John VI secured help against further incursions by again allying with the Turks. Following an earthquake, they annexed Callipolis (Gallipoli)—their first foothold in Europe—in partial payment of his many debts in 1354.[2]

He made his son Matthew Kantakouzenos another co-emperor in 1353,[9] but John VI's attempts to expand taxation to repay the government's debts had long been displeasing. He was removed from power by John V at the end of 1354.[2]

Retirement

Kantakouzenos retired to a monastery, where he assumed the name of Joasaph Christodoulos and occupied himself with literary labors, which have been called eloquent.[2] His 4-volume History of the years 1320-1356 served as an apologia for his actions. They are therefore not always trustworthy, including defects in matters where he was not personally involved, but are supplemented by the contemporary work of Nicephorus Gregoras.[7] It is nevertheless remarkable for being the only surviving account any Byzantine emperor gave of his own reign.

In 1367 Joasaph was appointed the representative of the Eastern Orthodox Church to negotiate with the Latin Patriarch Paul to attempt a reconciliation of the Eastern Orthodox and Roman Catholic Churches. They agreed to call a grand ecumenical council to be attended by the pope and all the patriarchs, archbishops, and bishops of both the eastern and western churches.[10] This plan was subsequently refused by Pope Urban V and eventually nothing came of it.

Kantakouzenos died in the Peloponnese and was buried by his sons at Mistra in Laconia.[2]

Family

By his wife Irene Asanina, a daughter of Andronikos Asan (son of Ivan Asen III of Bulgaria by Irene Palaiologina, Empress of Bulgaria, herself daughter of Michael VIII Palaiologos), John VI Kantakouzenos had several children, including:

  1. Matthew Kantakouzenos, co-emperor 1353–1357, later Despot of the Morea
  2. Manuel Kantakouzenos, Despot of the Morea
  3. Andronikos Kantakouzenos (died 1347)
  4. Maria Kantakouzene, who married Nikephoros II Orsini of Epirus
  5. Theodora Kantakouzene, who married Sultan Orhan of the Ottoman Empire[11]
  6. Helena Kantakouzene, who married John V Palaiologos

Works

Kantakouzenos's 4-volume History was published by J. Pontanus in 1603, by Ludwig Schopen at Bonn as part of the Corpus Scriptorum Historiae Byzantinae c. 1830; and by J.-P. Migne at Paris.[12] He also wrote a commentary on the first five books of Aristotle's Ethics and several controversial theological treatises, including a defense of Hesychasm and a work Against Mohammedanism printed in Migne.[13][7]

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See also

Notes
  1. His entry into the city later formed the subject of Constantine Cavafy's poem "John Kantakouzenos Triumphs".

References
  1. EB (1911), p. 438.
  2. EB (1878).
  3. John VI Cantacuzenus at the Encyclopædia Britannica
  4. Nicol 1968, p. 35f.
  5. Nicol 1968, p. 30f.
  6. Nicol 1968, p. 104.
  7. EB (1911), p. 439.
  8. Sherrard 1966, p. 74-75.
  9. Teteriatnikov 2013, p. 67.
  10. Norwich, John Julius. Byzantium: The Decline and Fall (New York: Alfred A. Knopf, 1996) p. 332
  11. Sugar 1996, p. 15-16.
  12. Migne (ed.), Patrologia Graeca (in Latin), Vols. CLIII & CLIV & (in Greek)
  13. Migne (ed.), Patrologia Graeca (in Latin), Vol. CLIV & (in Greek)

Sources
John VI Kantakouzenos
Born: Unknown 1292 Died: 15 June 1383
Regnal titles
Preceded by
John V Palaiologos		 Byzantine Emperor
1347–1353
with John V Palaiologos (1341–1376)
Matthew Kantakouzenos (1353–1357)		 Succeeded by
John V Palaiologos
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