Matthew I of Constantinople
A monk and protégé of Nilus Kerameus, he was ordained Bishop of Cyzicus in 1387, during the former's patriarchate. Through the support of Emperor Manuel II Palaiologos, he became Patriarch in 1397, but soon encountered the opposition of the metropolitans Macarius of Ancyra and Matthew of Medea, who finally succeeded in deposing him in a patriarchal synod in 1405.
- "Ματθαῖος Α´" (in Greek). Ecumenical Patriarchate of Constantinople. Retrieved 14 May 2015. <templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
|Eastern Orthodox Church titles|
Callistus II Xanthopoulos
|Patriarch of Constantinople
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