Patrensis
Could not find Patrensium in Logeion dictionaries.
Patrensium Proper-name adjective: masculine genitive plural, Proper-name adjective: feminine genitive plural, Proper-name adjective: neuter genitive plural of Patrensis
Pā̆trensis, e, v. Patrae, II.
Patrēnsis, s. Patrae.