[2] In fact, there is no mention of any organized Christian community in Byzantium before him.
[3] There is a tradition that the Roman emperor Constantine the Great bestowed upon him the honorary title of Patriarch; however, Byzantium did not become the capital of the Empire until 330 (when it was renamed Constantinople), and the see was not elevated to a patriarchate until 451.
According to Gelasius of Cyzicus, Metrophanes was alive during the First Council of Nicaea (325), but could not partake due to his age and ill health, so he sent instead Alexander of Constantinople, whom he destined as his successor.
His father was Dometius of Byzantium, his uncle was Roman emperor Probus, and his brother Probus of Byzantium.
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