3 Bible Verses about Subdivisions

In the days of King Herod, of Judea, there was a certain priest named Zacharias of the "Abijah" division. He had a wife named Elizabeth who was a descendant of Aaron.

Now it happened that when Zacharias' turn came in his division,

For I want you to know this secret, brothers, so you will not become conceited: Part of the Israelites have become [spiritually] insensitive [to God], [and will remain that way] until the fullness of the Gentiles occurs. [Note: As with verse 12, concerning the Jews, "fullness" here may mean either a large or the complete number of Gentiles who will be saved].