3 Bible Verses about Subdivisions

In the reign of Herod, King of Judea, there was a certain priest, named Zachariah, belonging to the class of Abijah. He had a wife named Elizabeth,

Now while Zachariah was acting as priest before God in the due course of his class, it fell to his lot, according to the custom of priesthood,

For I would not, my brothers, have you ignorant of this hidden truth, for fear that you become wise in your own conceits. that a hardening in part has befallen Israel, until the fulness of the Gentiles is come in.