Now Jehoram, the son of Ahab, began to reign ever Israel in Samaria the eighteenth year of Jehoshaphat, king of Judah, who had evidently made his son Jehoram coregent the year before, 2 Kings 1:17, and reigned twelve years.
Related Commentaries of 2 Kings 3:1
2 Kings 3:1
1 Now Jehoram the son of Ahab began to reign over Israel in Samaria the eighteenth year of Jehoshaphat king of Judah, and reigned twelve years.