Diodori
Martyrological notice
The historical Roman Martyrology commemorates Diodori on 1 December. The Latin notice identifies the record as martyr and priest and deacon. The source places the commemoration at Romae.
Historical martyrology witness · Martyrologium Romanum (Latin historical edition)
Romae sanctorum Martyrum Diodori Presbyteri, et Mariani Diaconi, cum aliis pluribus, qui, sub Numeriano Principe, cum in Arenario natalitia Martyrum agerent, illic, obstructa a persecutoribus janua cryptae ac diruta desuper mole, martyrii gloriam meruerunt.