Charles Ellicott Commentary 1 Kings 22:51

"Ahaziah the son of Ahab began to reign over Israel in Samaria in the seventeenth year of Jehoshaphat king of Judah, and he reigned two years over Israel." — 1 Kings 22:51 (ASV)

Ahaziah. —In this short reign the influence of Jezebel, evidently in abeyance in the last days of Ahab, revives; and the idolatry of Baal resumes its place side by side with the older idolatry of Jeroboam, and (see 2 Kings 1:2) with the worship of the Canaanite Baalzebub.