Othonis
Martyrological notice
The historical Roman Martyrology commemorates Othonis on 2 July. The Latin notice identifies the record as bishop. The source places the commemoration at Bambergae.
Historical martyrology witness · Martyrologium Romanum (Latin historical edition)
Bambergae sancti Othonis Episcopi, qui Pomeranis Evangelium praedicavit, et eos ad fidem convertit.