Praefectus praetorio AD 222 or 223
Praefectus praetorio with (Geminius) Chrestus in AD 222 or 223. When upon the insistence of Julia Mamaea, Domitius Ulpianus was put in charge by Severus Alexander as praetorian prefect, the guard mutinied, so Ulpianus had F. and Chrestus killed (Cass. Dio 80,2,2; Zos. 1,11,2). PIR2 F 180.