Isidore of Kiev


Isidore of Kiev
Cardinal
Latin Patriarch of Constantinople
DioceseConstantinople
Installed20 April 1458
Term ended27 April 1463
PredecessorGregory Mammas
SuccessorBasilios Bessarion
Other post(s)Cardinal-bishop of Sabina
Previous post(s)
Orders
Consecration1437
Created cardinal18 December 1439
RankCardinal bishop
Personal details
Born1385
Died27 April 1463 (aged 77-78)
Rome, Papal States
NationalityGreek
DenominationEastern Catholic (formerly Eastern Orthodox)
Coat of armsIsidore of Kiev's coat of arms
Styles of
Isidore of Kiev
Reference styleHis Eminence
Spoken styleYour Eminence
Informal styleCardinal
SeeSabina e Poggio Mirteto (suburbicarain)

Isidore of Kiev[a], also known as Isidore of Thessalonica (1385 – 27 April 1463), was a prelate of Byzantine Greek origin. From 1437 to 1441 he served as the Metropolitan of Kiev and all Rus' in the patriarchate of Constantinople of the Eastern Orthodox Church. He was a supporter of the Union of Florence which he proclaimed in Hagia Sophia on 12 December 1452.[1][2] In the Latin Church, Isidore was the cardinal bishop of Sabina,[3] Archbishop of Cyprus, Camerlengo of the Sacred College of Cardinals and the Latin Patriarch of Constantinople.


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  1. ^ Isidore of Kiev, Encyclopædia Britannica, 2008, O.Ed.
  2. ^ Dezhnyuk: Council of Florence: the Unrealized Union
  3. ^ "The Cardinals of the Holy Roman Church - Consistory of December 18, 1439". cardinals.fiu.edu. Retrieved 14 March 2022.