3 Bible Verses about Subdivisions

There was in the days of Herod, king of Judaea, a certain priest, Zacharias by name, of the course of Abija; and he had a wife of the daughters of Aaron, and her name was Elizabeth.

Now it came to pass, that, while he was doing priestly service in the order of his course before God,

For I do not wish you, brethren, to be ignorant of this mystery (lest ye be wise in your own conceits), that a hardening, in part, has befallen Israel, until the fulness of the gentiles come in;