Euthymius
Martyrological notice
The historical Roman Martyrology commemorates Euthymius on 11 March. The Latin notice identifies the record as bishop. The source places the commemoration at Sardis.
Historical martyrology witness · Martyrologium Romanum (Latin historical edition)
Sardis sancti Euthymii Episcopi, qui, ob cultum sanctarum Imaginum, a Michaele, Imperatore Iconoclasta, in exsilium missus est; ac demum, Theophilo imperante, bubulis nervis inhumaniter caesus, martyrium consummavit.