Brill Encyclopedia of Early Christianity Online

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The apocrisiarius or apocrisarius ( lit. “answerer”) was the point of contact among the four patriarchates of Rome, Jerusalem, Antioch, and Alexandria, and the headquarters of the imperial church in Constantinople. Extant from the 5th century CE, the office was institutionalized in law under Justinian I (527–565 CE). The apocrisiarius could be a cleric functioning as the diplomatic representative or legate of a bishop of the patriarch to the Byzantine imperial court, or his permanent representative resident in anot…

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Neil, Bronwen, “Apocrisarius”, in: Brill Encyclopedia of Early Christianity Online, General Editor David G. Hunter, Paul J.J. van Geest, Bert Jan Lietaert Peerbolte. Consulted online on 05 March 2024 <>
First published online: 2018

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