Potamonis
Martyrological notice
The historical Roman Martyrology commemorates Potamonis on 18 May. The Latin notice identifies the record as bishop. The source places the commemoration at Heracleae, in Aegypto.
Historical martyrology witness · Martyrologium Romanum (Latin historical edition)
Heracleae, in Aegypto, sancti Potamonis Episcopi, qui primum, sub Maximiano Galerio, Confessor fuit; deinde, sub Constantio Imperatore et Ariano Praeside Philagrio, martyrio coronatus est. Ipsum vero beatum virum sancti Ecclesiae Patres Athanasius et Epiphanius suis laudibus celebrarunt.