Vitellianus
Could not find Vitellianorum in Logeion dictionaries.
Vitellianorum Proper-name adjective: masculine genitive plural, Proper-name adjective: neuter genitive plural of Vitellianus
Vĭtellĭānus, a, um, v. Vitellius, B.
Vitelliānus, a, um, s. Vitellius.
2 Vĭtellĭānus, (10) v. Vitellius.
Vitellia'nus
a Roman architect, known by the inscription on his tomb in the Via Flaminia, on which he is described as SEX. VERIANUS. SEX. F. QUIR. VITELLIANUS. (Gori, Inscr. Don. p. 317, n. 6; Sillig, Catalog. Artific. Append. s.v. R. Rochette, Lettre à M. Schorn, p. 425, 2d ed.) [P.S]