Antiochius
Could not find Antiochii in Logeion dictionaries.
Antiochii Proper-name noun: masculine nominative plural, Proper-name noun: masculine genitive singular, Proper-name noun: masculine vocative plural of Antiochius
Antĭŏchīus, v. Antiocheus.
Antiochīus, s. Antiochus a.E.
Antĭochīus, v. Antiochus.