2 Kings 8:25

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 9:29

And in the eleventh year of Joram the son of Ahab began Ahaziah to reign over Judah.

2 Kings 8:16-17

And in the fifth year of Joram the son of Ahab king of Israel, Jehoshaphat being then king of Judah, Jehoram the son of Jehoshaphat king of Judah began to reign.

2 Chronicles 21:20-6

Thirty and two years old was he when he began to reign, and he reigned in Jerusalem eight years: and he departed without being desired; and they buried him in the city of David, but not in the sepulchres of the kings.

Treasury of Scripture Knowledge

Summary

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.

Bible References

General references

2 Kings 8:16
And in the fifth year of Joram the son of Ahab king of Israel, Jehoshaphat being then king of Judah, Jehoram the son of Jehoshaphat king of Judah began to reign.
2 Kings 9:29
And in the eleventh year of Joram the son of Ahab began Ahaziah to reign over Judah.
2 Chronicles 21:20
Thirty and two years old was he when he began to reign, and he reigned in Jerusalem eight years: and he departed without being desired; and they buried him in the city of David, but not in the sepulchres of the kings.

American Standard Version Public Domain