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 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.

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

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

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

Bible References

Jehoram

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 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.