2 Kings 1:17

And he died, according to the word of Yahweh which, Elijah, had spoken, and Jehoram reigned in his stead, in the second year of Jehoram son of Jehoshaphat king of Judah, - because he had no son.

2 Kings 3:1

Now, Jehoram son of Ahab, began to reign over Israel, in Samaria, in the eighteenth year of Jehoshaphat, king of Judah, - and he reigned twelve years.

1 Kings 22:51

Ahaziah son of Ahab, began to reign over Israel, in Samaria, in the seventeenth year of Jehoshaphat king of Judah, - and reigned over Israel, two years.

2 Kings 8:16-17

Now, in the fifth year of Joram son of Ahab, king of Israel, Jehoshaphat, having been king of Judah, Jehoram, son of Jehoshaphat king of Judah, began to reign.

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
Now, Jehoram son of Ahab, began to reign over Israel, in Samaria, in the eighteenth year of Jehoshaphat, king of Judah, - and he reigned twelve years.
2 Kings 8:16
Now, in the fifth year of Joram son of Ahab, king of Israel, Jehoshaphat, having been king of Judah, Jehoram, son of Jehoshaphat king of Judah, began to reign.
1 Kings 22:51
Ahaziah son of Ahab, began to reign over Israel, in Samaria, in the seventeenth year of Jehoshaphat king of Judah, - and reigned over Israel, two years.