1 Chronicles 12:27

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

Cross-reference

In 1 Chronicles 6:49-57, the priestly line of Aaron is detailed, providing background for Jehoiada as leader of Aaron's house.

2 Kings 11:4 introduces Jehoiada's later act of covenanting to protect the king — the same Jehoiada listed here among David's supporters.

2 Kings 11:9 shows Jehoiada's commanders obeying his orders — further detail of his later role, linking back to his presence here.