2 Kings 8:25

In the twelfth year of Joram the son of Ahab king of Israel, Ahaziah the son of Jehoram king of Judah began to reign.

2 Kings 9:29

Now in the eleventh year of Joram, the son of Ahab, Ahaziah became king over Judah.

2 Kings 8:16-17

Now in the fifth year of Joram the son of Ahab king of Israel, Jehoshaphat being then the king of Judah, Jehoram the son of Jehoshaphat king of Judah became king.

2 Chronicles 21:20-6

He was thirty-two years old when he became king, and he reigned in Jerusalem eight years; and he departed with no one’s regret, and they buried him in the city of David, but not in the tombs 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
Now in the fifth year of Joram the son of Ahab king of Israel, Jehoshaphat being then the king of Judah, Jehoram the son of Jehoshaphat king of Judah became king.
2 Kings 9:29
Now in the eleventh year of Joram, the son of Ahab, Ahaziah became king over Judah.
2 Chronicles 21:20
He was thirty-two years old when he became king, and he reigned in Jerusalem eight years; and he departed with no one’s regret, and they buried him in the city of David, but not in the tombs of the kings.