25 In the twelfth year of Joram the son of Ahab king of Israel did Ahaziah the son of Jehoram king of Judah begin to reign.
2 Kings 8:25 Cross References - Webster
2 Kings 8:16-17
2 Kings 9:29
29 And in the eleventh year of Joram the son of Ahab began Ahaziah to reign over Judah.
2 Chronicles 21:20-22:6
20 Thirty and two years old was he when he began to reign, and he reigned in Jerusalem, eight years, and departed without being desired: yet they buried him in the city of David, but not in the sepulchers of the kings.