Prior to the changes, an important aspect of the identity of Palestinian Jews was the office of the patriarch, which was hereditary. These figures served as both religious and cultural leaders, but by the time the period in which Irshai is writing about comes around, the position is on the decline. This is in part due to the Christian Church, which could not stand for any of the patriarchs who sometimes claimed that they too hailed from a Davidic line. By spreading rumors they eventually contributed to the downfall of the patriarchate, which was just another one of the changes that Jews had to confront in their society during these increasingly Christian times. Finally, as a result of an increasingly Christianized empire, Jews saw a reemergence of priests, as well as a shift in focus from houses of learning to synagogues.
Irshai believes that a great many changes that occurred within Jewish society at the time came as a direct response to the increasing Christianization of the Roman