Germanicianus
Could not find Germanicianorum in Logeion dictionaries.
Germanicianorum Proper-name adjective: masculine genitive plural, Proper-name adjective: neuter genitive plural of Germanicianus
Germāniciānus, a, um, s. Germānī.
Germānĭcĭānus, (14) a, um, servant en Germanie : Suet. Vesp. 6 ; Tib. 25 ; Galba 20.