Ahaziah 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.
2 Kings 8:26
Surrounding context
8:25 In the twelfth year of Joram the son of Ahab, king of Israel, Ahaziah the son of Jehoram, king of Judah, began to reign.
8:26 Ahaziah 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.
8:27 And he walked in the way of the house of Ahab, and did evil in the sight of the LORD, like the house of Ahab, for he was the son-in-law of the house of Ahab.