Joannes Primi
Martyrological notice
The historical Roman Martyrology commemorates Joannes Primi on 18 May. The Latin notice identifies the record as martyr and apostle and pope. The source places the commemoration at Ravennae.
Historical martyrology witness · Martyrologium Romanum (Latin historical edition)
Ravennae natalis sancti Joannis Primi, Papae et Martyris; qui, ab Ariano Italiae Rege Theodorico illuc dolo evocatus, ibidem, ab eo propter orthodoxam fidem diu maceratus in carcere, vitam finivit. Ipsius autem festum recolitur sexto Kalendas Junii, quo die sacrum ejus corpus, Romam relatum, in Basilica sancti Petri, Apostolorum Principis, sepultum est.