(Φιδέλιος; Phidélios) of Milan. Lawyer in Rome and in AD 527/8 quaestor palatii of the Ostrogoth king Athalaricus (Cassiod. Var. 8,18f.). In 536, he was sent to Belisarius on behalf of the citizens of Rome and pope Silverius, in order to hand over the city (Procop. Goth. 1,14,5). In 537/8, he served as praefectus praetorio for the Eastern Roman Empire. In 538, he fell into the hands of the Goths near Ticinum, who killed him as a traitor (Procop. Goth. 1,20,19f.; 2,12,27f.; 34f.).
PLRE 2, 469f.
Stein, Spätröm. R. vol. 2, 348, 354.