2 Kings 8:24-26

24Jehoram slept with his fathers [in death] and was buried with them in the City of David. Ahaziah his son became king in his place.

25In the twelfth year of Joram (Jehoram) the son of Ahab king of Israel, Ahaziah the son of Jehoram king of Judah began to reign.

26Ahaziah was twenty-two years old when he became king, and he reigned one year in Jerusalem. His mother’s name was Athaliah, the granddaughter of Omri king of Israel.