Julius and Aaron
Martyrological notice
The historical Roman Martyrology commemorates Julius and Aaron on 1 July. The Latin notice identifies the record as martyr. The source places the commemoration at In Britannia.
Historical martyrology witness · Martyrologium Romanum (Latin historical edition)
In Britannia sanctorum Martyrum Julii et Aaron, qui post sanctum Albanum, in persecutione Diocletiani Imperatoris, passi sunt; quo tempore ibidem quamplurimi, diversis cruciatibus torti et saevissime lacerati, ad supernas civitatis gaudia, consummato agone, pervenerunt.