Favonius was also a Roman nomen.
No doubt inspired by the tombstone, the computer game Dark Ages of Camelot[?] features a powerful undead monster named Favonius Facilis.
... there are 3,587 people, 1,445 households, and 881 families residing in the town. The population density is 248.2/km² (643.1/mi²). There are 2,251 housing units ...