Then in the seventh year, Jehoiada strengthened himself and made a covenant with the commanders of hundreds—with Azariah son of Jeroham, Ishmael son of Jehohanan, Azariah son of Obed, Maaseiah son of Adaiah, and Elishaphat son of Zichri.
We may well imagine the bad posture of affairs in Jerusalem during Athaliah's six years' usurpation, and may wonder that God permitted it and his people bore it so long; but after such a dark and tedious night the returning day in this revolution was the brighter and the more welcome.
Commenting on 2 Chronicles 23:1-11
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. (a) Of the reign of Athaliah or after the death of Ahaziah.
And in the seventh year - See on Kg2 11:4 (note), etc.