Drusianus
Could not find Drusianis in Logeion dictionaries.
Drusianis Proper-name adjective: masculine ablative plural, Proper-name adjective: feminine dative plural, Proper-name adjective: neuter ablative plural, Proper-name adjective: neuter dative plural, Proper-name adjective: masculine dative plural, Proper-name adjective: feminine ablative plural of Drusianus
Drūsĭānus (16) et Drūsīnus, a, um, de Drusus : Tac. Ann. 2, 8 ; Suet. Claud. 1.