2 Kings 8:26
Two and twenty years old was Ahaziah when he began to reign, and reigned one year in Jerusalem; his mother's name was Athaliah daughter of Omri king of Israel.
2 Chronicles 22:2
Two and forty years old was he when he began to reign, and reigned one year in Jerusalem. His mother's name was Athaliah the daughter of Omri.
2 Kings 9:21-27
Then said Jehoram, "Make ready." And they made ready his chariot. And Jehoram king of Israel, and Ahaziah king of Judah, went out either in his chariot against Jehu, and met him in the furlong of Naboth the Jezreelite.
2 Kings 11:1
And Athaliah the mother of Ahaziah, when she saw that her son was dead, she arose and slew all the seed of the king.
2 Kings 11:13-16
And when Athaliah heard the noise of the running of the people, she came to the people into the house of the LORD.
2 Chronicles 22:5-8
And he also walked after their counsel. And Jehoram son of Ahab king of Israel went to fight with Hazael king of Syria at Ramoth in Gilead: and they of Ramoth wounded him.