Arab physician. Friend of Saint Cyrus the Physician. May have been a monk, and certainly lived a lot like one. Tortured and martyred with Cyrus, Saint Athanasia and her three daughters during the persecutions of Diocletian.
- Book of Saints, by the Monks of Ramsgate
- Heiligen 3s
- Lives of the Saints, by Father Alban Butler
- Martirologio Romano, 2005 edition
- Our Sunday Visitor’s Encyclopedia of Saints
- Santi e Beati
- “Saint John the Physician“. Saints.SQPN.com. 25 January 2014. Web. 24 April 2014. <>