Glycerius
Martyrological notice
The historical Roman Martyrology commemorates Glycerius on 21 December. The Latin notice identifies the record as priest. The source places the commemoration at Nicomediae.
Historical martyrology witness · Martyrologium Romanum (Latin historical edition)
Nicomediae sancti Glycerii Presbyteri, qui, in persecutione Diocletiani, multis tormentis vexatus, demum, in ignem conjectus, martyrium consummavit.