Sophronius I of Constantinople

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Sophronius I
Ecumenical Patriarch of Constantinople
Church Church of Constantinople
Appointed June 1463[1]
Term ended August 1464[1]
Predecessor Gennadius Scholarius[1]
Successor Gennadius Scholarius[1]

Sophronius I (Greek: Σωφρόνιος Α΄) was Ecumenical Patriarch of Constantinople from 1463 to 1464.[1] The dates of his reign are disputed by scholars in a range from 1462 to 1465.


Almost nothing is known about the life and the patriarchate of Sophronius.[2] It is known an act with his name dated August 1464 which certified a cross belonged to Emperor David of Trebizond: the document is probably a forgery, but it confirms us that Sophronius was actually the patriarch.[3]:250 According to Blanchet, who places the reign of Sophronius after Joasaph's, he was Metropolitan of Heraclea before being elected patriarch.[4]

One primary source designates Sophronius with the name Syropoulos. Thus it was conjectured, but not proven, that Sophronius was indeed Sylvester Syropoulos, the Orthodox cleric who participated at the Council of Florence and who wrote a chronicle of it. Sylvester Syropoulos belonged to the faction which was in favor of the East-West Union of Churches, and he signed the documents of the Council. This fact works against the possible identification of Sophronius with Sylvester Syropoulos; if however he is indeed the same person, it could justify the virtual damnatio memoriae displayed in the primary sources against him.[3]:250

Disputed chronology

The chronology of the reign of Sophronius I is disputed among scholars. Recent scholarship, such as Kiminas (2009),[5] Podskalsky (1988),[6] Laurent (1968)[3] and Runciman (1985),[2] places the reign of Sophronius I after Joasaph I, dating it between June 1463 and August 1464.

Other scholars, following Bishop Gemanos of Sardeis (1933–8)[7] and Grumel (1958)[8], as well as the official website of the Ecumenical Patriarchate,[9] propose that Sophronius I reigned before Joasaph I, however the dates they provide differ only by a few months from the ones mentioned above due to a different suggested length of the second term of Gennadius Scholarius. Blanchet (2001)[4] places Sophronius' reign from 1 April 1462 to summer 1464, directly after Isidore II and immediately before Joasaph.

Furthermore, there is no consensus among scholars on the length and chronology of the second and third terms of Gennadius Scholarius, which supposedly alternated the patriarchates of Joasaph and Sophronius. For a comparison of the main scholar suggestions, see the List of Patriarchs of Constantinople.


  1. 1.0 1.1 1.2 1.3 1.4 Chronology according to Kiminas (2009). For other proposals see section Disputed Chronology.
  2. 2.0 2.1 Runciman, Steven (1985). The Great Church in captivity. Cambridge University Press. pp. 193–4. ISBN 978-0-521-31310-0.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  3. 3.0 3.1 3.2 Lua error in Module:Citation/CS1/Identifiers at line 47: attempt to index field 'wikibase' (a nil value).
  4. 4.0 4.1 Blanchet, Marie-Hélène (2001). "Georges Gennadios Scholarios a-t-il été trois fois ptriarche de constantinople?". Byzantion Revue Internationale des Etudes byzantines. Bruxelles. 71 (1): 60–72.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>(French)
  5. 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>
  6. Podskalsky, Gerhard (1988). Griechische Theologie in der Zeit der Türkenherrschaft (1453-1821) : die Orthodoxie im Spannungsfeld der nachreformatorischen Konfessionen des Westens. München: C.H. Beck. p. 398. ISBN 978-3-406-32302-7.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  7. Σάρδεων Γερμανός (1933–38). "Συµβολή εις τους πατριαρχικούς καταλόγους Κωνσταντινουπόλεως από της αλώσεως και εξής". Ορθοδοξία (8–13).<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>(Greek)
  8. Grumel, Venance (1958). Traité d'études byzantines, vol. I: La chronologie. Paris: Presses universitaires de France. p. 437.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  9. "Sophronios I". Ecumenical Patriarchate. Retrieved 18 July 2011.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>