1 Chronicles 12:27

in addition to Jehoiada, leader of the house of Aaron, with 3,700 men;

2 Kings 11:4

Then in the seventh year, Jehoiada sent messengers and brought in the commanders of hundreds, the Carites, and the guards. He had them come to him in the Lord’s temple, where he made a covenant with them and put them under oath. He showed them the king’s son

2 Kings 11:9

So the commanders of hundreds did everything Jehoiada the priest commanded. They each brought their men—those coming on duty on the Sabbath and those going off duty—and went to Jehoiada the priest.

2 Kings 25:18

The commander of the guards also took away Seraiah the chief priest, Zephaniah the priest of the second rank, and the three doorkeepers.

1 Chronicles 6:49-57

But Aaron and his sons did all the work of the most holy place. They presented the offerings on the altar of burnt offerings and on the altar of incense to make atonement for Israel according to all that Moses the servant of God had commanded.

1 Chronicles 9:20

In earlier times Phinehas son of Eleazar had been their leader, and the Lord was with him.

1 Chronicles 27:17

for the Levites, Hashabiah son of Kemuel; for Aaron, 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
In earlier times Phinehas son of Eleazar had been their leader, and the Lord was with him.
2 Kings 11:4
Then in the seventh year, Jehoiada sent messengers and brought in the commanders of hundreds, the Carites, and the guards. He had them come to him in the Lord’s temple, where he made a covenant with them and put them under oath. He showed them the king’s son
2 Kings 25:18
The commander of the guards also took away Seraiah the chief priest, Zephaniah the priest of the second rank, and the three doorkeepers.

Aaronites

1 Chronicles 6:49
But Aaron and his sons did all the work of the most holy place. They presented the offerings on the altar of burnt offerings and on the altar of incense to make atonement for Israel according to all that Moses the servant of God had commanded.
1 Chronicles 27:17
for the Levites, Hashabiah son of Kemuel; for Aaron, Zadok;

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.