Autonomi
Martyrological notice
The historical Roman Martyrology commemorates Autonomi on 12 September. The Latin notice identifies the record as martyr and bishop. The source places the commemoration at In Bithynia.
Historical martyrology witness · Martyrologium Romanum (Latin historical edition)
In Bithynia sancti Autonomi, Episcopi et Martyris; qui ex Italia, Diocletiani Imperatoris persecutionem declinans, illuc profectus, ibi, cum plurimos convertisset ad fidem, a furentibus Gentilibus, dum sacra Mysteria perageret, ad altare mactatus est, et hostia Christi effectus.