Eustachius
Martyrological notice
The historical Roman Martyrology commemorates Eustachius on 16 July. The Latin notice identifies the record as bishop and confessor. The source places the commemoration at Antiochiae.
Historical martyrology witness · Martyrologium Romanum (Latin historical edition)
Antiochiae natalis beati Eustachii, Episcopi et Confessoris, doctrina et sanctitate celebris; qui, sub Ariano Imperatore Constantio, ob catholicae fidei defensionem, exsilio Trajanopolim Thraciae pulsus, ibidem in Domino requievit.