2 Kings 1:17

Ahaziah died, just as Jehovah spoke through Elijah. Ahaziah had no sons, so his brother Joram succeeded him as king. This happened in the second year of the reign of Jehoram son of Jehoshaphat, king of Judah.

2 Kings 3:1

Joram son of Ahab became king of Israel in the eighteenth year of the reign of King Jehoshaphat of Judah. He ruled in Samaria for twelve years.

1 Kings 22:51

Ahaziah son of Ahab became king of Israel. It was the seventeenth year of the reign of King Jehoshaphat of Judah. Ahaziah ruled in Samaria for two years.

2 Kings 8:16-17

Jehoram son of Jehoshaphat became king of Judah. It was the fifth year of the reign of Joram son of Ahab as king of Israel.

Treasury of Scripture Knowledge

Summary

So he died according to the word of the LORD which Elijah had spoken. And Jehoram reigned in his stead in the second year of Jehoram the son of Jehoshaphat king of Judah; because he had no son.

Bible References

In the second

2 Kings 3:1
Joram son of Ahab became king of Israel in the eighteenth year of the reign of King Jehoshaphat of Judah. He ruled in Samaria for twelve years.
2 Kings 8:16
Jehoram son of Jehoshaphat became king of Judah. It was the fifth year of the reign of Joram son of Ahab as king of Israel.
1 Kings 22:51
Ahaziah son of Ahab became king of Israel. It was the seventeenth year of the reign of King Jehoshaphat of Judah. Ahaziah ruled in Samaria for two years.