2 Kings 1:17
17 So he died according to the word of the Lord that Elijah had spoken. kJehoram became king in his place in the second year of lJehoram the son of Jehoshaphat, king of Judah, because Ahaziah had no son.
2 Kings 3:1
Moab Rebels Against Israel
1 In the eighteenth year of cJehoshaphat king of Judah, dJehoram the son of Ahab became king over Israel in Samaria, and he reigned twelve years.