Eugenius I of Byzantium (Greek: Ευγένιος Αʹ; died c. 265) was the bishop of Byzantium from around 240 until his death in c. 265.[1][2][3]
Notes and references
^"Ευγένιος Αʹ". ec-patr.org. Κατάλογος Οικουμενικών Πατριαρχών [List of Ecumenical Patriarchs] (in Greek). Office of the Ecumenical Patriarch of Constantinople. 25 July 2019. Retrieved 21 February 2024.