 Relics are said to have been transferred to Arona during a time of war between Milan and Como.In Arona, the presence of the relics of Fidelis and Carpophrous is attested in documents dating back to 1259 and 1321.Como's claim is based on an account of 964 that describes the translation of Fidelis' relics from the spot where he was killed to Como in that year.