Event Factoid: John was
captured and brought to Antioch, where he was tortured and killed by Ephraim of Amida.
Sources:
E. W Brooks, trans.,Lives of the Eastern Saints II,Patrologia Orientalis 18.4 (1924), https://archive.org/stream/patrologiaorient18pariuoft#page/n521/mode/2up, p: 523.