24 So Joram slept with his ancestors, and was buried with them in the city of David; his son Ahaziah succeeded him.
25 In the twelfth year of King Joram son of Ahab of Israel, Ahaziah son of King Jehoram of Judah began to reign. 26 Ahaziah was twenty-two years old when he began to reign; he reigned one year in Jerusalem. His mother's name was Athaliah, a granddaughter of King Omri of Israel. 27 He also walked in the way of the house of Ahab, doing what was evil in the sight of the Lord, as the house of Ahab had done, for he was son-in-law to the house of Ahab. 28 He went with Joram son of Ahab to wage war against King Hazael of Aram at Ramoth-gilead, where the Arameans wounded Joram. 29 King Joram returned to be healed in Jezreel of the wounds that the Arameans had inflicted on him at Ramah, when he fought against King Hazael of Aram. King Ahaziah son of Jehoram of Judah went down to see Joram son of Ahab in Jezreel, because he was wounded.
Matthew Henry's Commentary on 2 Kings 8:24-29
Commentary on 2 Kings 8:16-24
(Read 2 Kings 8:16-24)
A general idea is given of Jehoram's badness. His father, no doubt, had him taught the true knowledge of the Lord, but did ill to marry him to the daughter of Ahab; no good could come of union with an idolatrous family.
Commentary on 2 Kings 8:25-29
(Read 2 Kings 8:25-29)
Names do not make natures, but it was bad for Jehoshaphat's family to borrow names from Ahab's. Ahaziah's relation to Ahab's family was the occasion of his wickedness and of his fall. When men choose wives for themselves, let them remember they are choosing mothers for their children. Providence so ordered it, that Ahaziah might be cut off with the house of Ahab, when the measure of their iniquity was full. Those who partake with sinners in their sin, must expect to partake with them in their plagues. May all the changes, troubles, and wickedness of the world, make us more earnest to obtain an interest in the salvation of Christ.