This included Jehoiada, leader of the family of Aaron, who had three thousand seven hundred under his command.

In the seventh year Jehoiada the priest sent for the officers in charge of the royal bodyguard and of the palace guards, and told them to come to the Temple. He made them agree under oath to what he planned to do. He showed them King Ahaziah's son Joash

The officers obeyed Jehoiada's instructions and brought their men to him, those going off duty on the Sabbath and those going on duty.

The captain of the guard took the high priest Seraiah, the second priest Zephaniah, and the three doorkeepers.

But Aaron and his descendants were the ones who presented offerings on the altar of burnt offering and on the altar of incense in connection with all that was done in the Most Holy Place, making atonement for Israel, in accordance with all that Moses the servant of God had commanded.

In earlier times Phinehas son of Eleazar was in charge of the gatekeepers, and Jehovah was with him.

for the tribe of Levi, Hashabiah, son of Kemuel for the family of 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

In earlier times Phinehas son of Eleazar was in charge of the gatekeepers, and Jehovah was with him.
In the seventh year Jehoiada the priest sent for the officers in charge of the royal bodyguard and of the palace guards, and told them to come to the Temple. He made them agree under oath to what he planned to do. He showed them King Ahaziah's son Joash
The captain of the guard took the high priest Seraiah, the second priest Zephaniah, and the three doorkeepers.

Aaronites

But Aaron and his descendants were the ones who presented offerings on the altar of burnt offering and on the altar of incense in connection with all that was done in the Most Holy Place, making atonement for Israel, in accordance with all that Moses the servant of God had commanded.
for the tribe of Levi, Hashabiah, son of Kemuel for the family of Aaron, Zadok
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