Demetrius
Martyrological notice
The historical Roman Martyrology commemorates Demetrius on 10 November. The Latin notice identifies the record as martyr and bishop and deacon. The source places the commemoration at Antiochiae.
Historical martyrology witness · Martyrologium Romanum (Latin historical edition)
Antiochiae sanctorum Demetrii Episcopi, Aniani Diaconi, Eustosii et aliorum viginti Martyrum.