Constantius
Martyrological notice
The historical Roman Martyrology commemorates Constantius on 29 January. The Latin notice identifies the record as martyr and bishop. The source places the commemoration at Perusiae.
Historical martyrology witness · Martyrologium Romanum (Latin historical edition)
Perusiae sancti Constantii, Episcopi et Martyris; qui, una cum Sociis, sub Marco Aurelio Imperatore, ob fidei defensionem, martyrii coronam accepit.