Isidore I (? – February or March 1350) was the

Ecumenical Patriarch of Constantinople The ecumenical patriarch ( el, Οἰκουμενικός Πατριάρχης, translit=Oikoumenikós Patriárchēs) is the archbishop of Constantinople (Istanbul), New Rome and '' primus inter pares'' (first among equals) among the heads of th ...

from 1347 to 1350. Isidore Buchiras was a disciple of

Gregory Palamas Gregory Palamas ( el, Γρηγόριος Παλαμᾶς; c. 1296 – 1359) was a Byzantine Greek theologian and Eastern Orthodox cleric of the late Byzantine period. A monk of Mount Athos (modern Greece) and later archbishop of Thessaloniki, he ...

Early life

Isidore was an ethnic Greek born in

Thessaloniki Thessaloniki (; el, Θεσσαλονίκη, , also known as Thessalonica (), Saloniki, or Salonica (), is the second-largest city in Greece, with over one million inhabitants in its Thessaloniki metropolitan area, metropolitan area, and the capi ...

during the latter part of the 1290s where he became a teacher and spiritual guide.

Career

As a disciple of St. Gregory, he was drawn into the dispute between the followers of Gregory Palamas and Barlaam of Calabria over Hesychasm during the middle decades of the fourteenth century.

Synod of 1344

In 1345, Isidore, who was at the time the

bishop A bishop is an ordained clergy member who is entrusted with a position of authority and oversight in a religious institution. In Christianity, bishops are normally responsible for the governance of dioceses. The role or office of bishop is ca ...

elect of

Monemvasia Monemvasia ( el, Μονεμβασιά, Μονεμβασία, or ) is a town and municipality in Laconia, Greece. The town is located on a small island off the east coast of the Peloponnese, surrounded by the Myrtoan Sea. The island is connected t ...

, and

were

excommunicated Excommunication is an institutional act of religious censure used to end or at least regulate the communion of a member of a congregation with other members of the religious institution who are in normal communion with each other. The purpose ...

by a

synod A synod () is a council of a Christian denomination, usually convened to decide an issue of doctrine, administration or application. The word ''wikt:synod, synod'' comes from the meaning "assembly" or "meeting" and is analogous with the Latin ...

of anti-hesychast bishops that had been convened by Patriarch

John XIV Kalekas John XIV, surnamed Kalekas ( el, ; c. 1282 – 29 December 1347) was the Ecumenical Patriarch of Constantinople from 1334 to 1347. He was an anti-hesychast and opponent of Gregory Palamas. He was an active participant in the Byzantine civil war ...

who himself was an opponent of St. Gregory. Palamas and Buchiras recanted.

Synods of 1347

In February 1347, during a synod convened by emperor

John VI Kantakouzenos John VI Kantakouzenos or Cantacuzene ( el, , ''Iōánnēs Ángelos Palaiológos Kantakouzēnós''; la, Johannes Cantacuzenus; – 15 June 1383) was a Byzantine Greek nobleman, statesman, and general. He served as grand domestic under ...

, Patr. John XIV was

deposed Deposition by political means concerns the removal of a politician or monarch.
ORB: The Online Reference for Med ...

and Isidore brought back and elected to succeed John XIV as

patriarch The highest-ranking bishops in Eastern Orthodoxy, Oriental Orthodoxy, the Catholic Church (above major archbishop and primate), the Hussite Church, Church of the East, and some Independent Catholic Churches are termed patriarchs (and in certai ...

of Constantinople. Upon becoming patriarch, Isidore released Gregory Palamas from prison and

consecrated Consecration is the solemn dedication to a special purpose or service. The word ''consecration'' literally means "association with the sacred". Persons, places, or things can be consecrated, and the term is used in various ways by different grou ...

him

Archbishop In Christian denominations, an archbishop is a bishop of higher rank or office. In most cases, such as the Catholic Church, there are many archbishops who either have jurisdiction over an ecclesiastical province in addition to their own archdi ...

of Thessalonica.

Patriarchate

During the two and a half years of his patriarchate, Isidore sought to have the whole Byzantine Church accept the Palamite dogmas. He selected bishops only from the Palamite party. He instituted harsh penalties for those who refused to submit.

References