1 Chronicles 12:27

And Jehoiada was the leader of the Aaronites, and with him were three thousand and seven hundred.

2 Kings 11:4

And in the seventh year Jehoiada sent and brought the rulers over hundreds, with the commanders and the guards, and brought them to him into the house of Jehovah. And he made a covenant with them and took an oath from them in the house of Jehovah, and revealed to them the king's son.

2 Kings 11:9

And the rulers of the hundreds did according to all that Jehoiada the priest commanded. And each man took his men, going in on the sabbath, with those going out on the sabbath, and came to Jehoiada the priest.

2 Kings 25:18

And the chief of the executioners took Seraiah the chief priest, and Zephaniah the second priest, and the three doorkeepers.

1 Chronicles 6:49-57

But Aaron and his sons offered on the altar of the burnt offering, and on the altar of incense, and were appointed for all the work of the Most Holy Place, and to make an atonement for Israel, according to all that Moses the servant of God had commanded.

1 Chronicles 9:20

And Phinehas the son of Eleazar was the ruler over them in time past, and Jehovah was with him.

1 Chronicles 27:17

The ruler of the Levites was Hashabiah the son of Kemuel; over the Aaronites was Zadok.

Treasury of Scripture Knowledge

Summary

And Jehoiada was the leader of the Aaronites, and with him were three thousand and seven hundred;

Bible References

The leader

1 Chronicles 9:20
And Phinehas the son of Eleazar was the ruler over them in time past, and Jehovah was with him.
2 Kings 11:4
And in the seventh year Jehoiada sent and brought the rulers over hundreds, with the commanders and the guards, and brought them to him into the house of Jehovah. And he made a covenant with them and took an oath from them in the house of Jehovah, and revealed to them the king's son.
2 Kings 25:18
And the chief of the executioners took Seraiah the chief priest, and Zephaniah the second priest, and the three doorkeepers.

Aaronites

1 Chronicles 6:49
But Aaron and his sons offered on the altar of the burnt offering, and on the altar of incense, and were appointed for all the work of the Most Holy Place, and to make an atonement for Israel, according to all that Moses the servant of God had commanded.
1 Chronicles 27:17
The ruler of the Levites was Hashabiah the son of Kemuel; over the Aaronites was Zadok.