2 Kings 9:29
Ahaziah had begun to reign over Judah in the eleventh year of the reign of Ahab's son Joram.
2 Chronicles 21:18-19
After all of this happened, the LORD struck him in his bowels with an incurable illness.
2 Kings 8:16
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 Kings 8:24-25
After Joram was laid to rest with his ancestors in the City of David, his son Ahaziah replaced him as king.
2 Chronicles 22:1-2
The residents of Jerusalem made Jehoram's son Ahaziah king in his place after the raiding party that had invaded the city with the Arabs had killed all of the older sons. That's how Jehoram's son Ahaziah became king of Judah.