Palatinus in the Catholic Church

Palatinus (plural: Palatini), Latin for "palatial", were designations for various ecclesiastical offices in the Catholic Church, primarily of certain high officials in the papal court. == Medieval Palatine judges == In the Middle Ages, the judices palatini (papal palace judges) were the highest administrative officers of the pope's household; with the growth of the temporal power of the popes they acquired great importance.

Source: Wikipedia — Palatinus in the Catholic Church (CC BY-SA 4.0)