2 Kings 8:25
Joram's son Ahaziah began to reign as king of Judah during the twelfth year of the reign of Ahab's son Joram, king of Israel.
2 Kings 9:29
Ahaziah had begun to reign over Judah in the eleventh year of the reign of Ahab's son Joram.
2 Kings 8:16-17
Sometime during the fifth year of the reign of Ahab's son Joram, king of Israel (while Jehoshaphat was still ruling as king of Judah), Jehoshaphat's son Jehoram ascended to the throne of Judah.
2 Chronicles 21:20-6
Jehoram was 32 years old when he became king, and he reigned in Jerusalem for eight years. He left this earth to nobody's regret and they buried him in the City of David, but not in the tombs of the kings.