Constantianus
Could not find Constantianorum in Logeion dictionaries.
Constantianorum Proper-name adjective: neuter genitive plural, Proper-name adjective: masculine genitive plural of Constantianus
Cōnstantĭānus, ī, m. , nom dʼun officier de lʼempereur Julien : Amm. 23, 3, 9.