Isidore II of Constantinople

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Isidore II
Ecumenical Patriarch of Constantinople
Church Church of Constantinople
Appointed January 1456
Term ended 31 March 1462
Predecessor Gennadius Scholarius
Successor Joasaph I[1]
Personal details
Died 31 March 1462

Isidore II Xanthopoulos (Greek: Ισίδωρος Β΄ Ξανθόπουλος) was Ecumenical Patriarch of Constantinople from 1456 to 1462.


Little is known about the life and the patriarchate of Isidore. His surname derives from the Xanthopoulon monastery in Istanbul which he entered, becoming a hieromonk and later rising to be its abbot.[2] Isidore worked alongside Gennadius Scholarius during the Council of Florence[3] and was one of the signatories of a 1445 document against the East-West Union of Churches.[4] In this period Isidore was deemed as the spiritual father of the Greek community in Istanbul.[3]

After the resignation of Gennadius Scholarius as Patriarch in mid-January 1456, Isidore was elected to succeed him. He obtained the confirmation from Sultan Mehmed II and he was consecrated bishop in the Pammakaristos Church.[5]

His reign lasted up to his death on 31 March 1462,[2] and he was succeeded by Joasaph I.[1]


  1. 1.0 1.1 Some scholars suggest Gennadius Scholarius (second term) and Sophronius I as Isidore's successor in place of Joasaph I: see the Article List of Patriarchs of Constantinople.
  2. 2.0 2.1 Kiminas, Demetrius (2009). The Ecumenical Patriarchate. Wildside Press LLC. p. 37,45. ISBN 978-1-4344-5876-6.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  3. 3.0 3.1 Vitalien, Laurent (1968). "Les premiers patriarches de Constantinople sous la domination turque (1454-1476)". Revue des études byzantines (26): 229–263(246). doi:10.3406/rebyz.1968.1407.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  4. Petrides, Sophrone (1911). "Documents sur la ropture de l'union de Florence". Echos d'Orient. 14: 205.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  5. "Isidore II". Ecumenical Patriarchate. Retrieved 5 July 2011.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>