A soldier in his youth. Close friend and financial supporter of Saint Jerome, and helped with the logistics of the translation of the Vulgate Bible. Followed Jerome to the east, but declined the life of a desert hermit. Bishop of Altinum, a small town near Venice, Italy which has since disappeared. Fierce opponent of Arianism.
- Book of Saints, by the Monks of Ramsgate
- Our Sunday Visitor’s Encyclopedia of Saints
- Roman Martyrology
- “Saint Heliodorus of Altinum“. Saints.SQPN.com. 2 September 2013. Web. 30 October 2014. <>