2 Kings 1:17
And so he died according to the word of the LORD which Elijah spake, and Jehoram was made king in his stead, the second year of Jehoram son of Jehoshaphat king of Judah, because he had no son.
2 Kings 3:1
Jehoram the son of Ahab began to reign upon Israel in Samaria the eighteenth year of Jehoshaphat king of Judah, and continued twelve years.
1 Kings 22:51
Ahaziah the son of Ahab began to reign upon Israel in Samaria, the seventeenth year of Jehoshaphat king of Judah, and was king over Israel two years,
2 Kings 8:16-17
The fifth year of Jehoram son of Ahab king of Israel, Jehoshaphat being yet king of Judah, Jehoram the son of Jehoshaphat, king of Judah, began to reign.