2 Kings 8:25-26

In the twelfth year that Joram, the son of Ahab, was king of Israel, Ahaziah, the son of Jehoram, king of Judah, became king; Ahaziah was twenty-two years old when he became king, and he was ruling in Jerusalem for one year. His mother's name was Athaliah, the daughter of Omri, king of Israel.