Treasury of Scripture Knowledge
And in the seventh year Jehoiada strengthened himself, and took the captains of hundreds, Azariah the son of Jeroham, and Ishmael the son of Jehohanan, and Azariah the son of Obed, and Maaseiah the son of Adaiah, and Elishaphat the son of Zichri, into covenant with him.
2 Kings 11:4
In the seventh year Jehoiada summoned the officers of the units of hundreds of the Carians and the royal bodyguard. He met with them in the Lord's temple. He made an agreement with them and made them swear an oath of allegiance in the Lord's temple. Then he showed them the king's son.
Covenant with him
2 Chronicles 15:12
They solemnly agreed to seek the Lord God of their ancestors with their whole heart and being.
1 Samuel 18:3
Jonathan made a covenant with David, for he loved him as much as he did his own life.
"Because of all of this we are entering into a binding covenant in written form; our leaders, our Levites, and our priests have affixed their names on the sealed document."