3 Bible Verses about Subdivisions

There was in the days of Herod, the king of Judea, a certain priest, by name Zacharias, of the course of Ahijah, and his wife of the daughters of Aaron, and her name Elizabeth.

And it came to pass, while he was officiating in the order of his course before God,

I do not wish you to be ignorant, brethren, as to this mystery, in order that you may not he wise with yourselves, that blindness in part has happened unto Israel, until the fulness of the Gentiles may come in;