Demetrius Concessi Hilarius
Martyrological notice
The historical Roman Martyrology commemorates Demetrius Concessi Hilarius on 9 April. The Latin notice identifies the record as martyr. The source places the commemoration at Ronue.
Historical martyrology witness · Martyrologium Romanum (Latin historical edition)
Ronue natalis sanctorum Martyrum Demetrii, Concessi, Hilarii et Sociorum.