1 Kings 22:41 in the King James Version
And Jehoshaphat the son of Asa began to reign over Judah in the fourth year of Ahab king of Israel.
Context
40 So Ahab slept with his fathers; and Ahaziah his son reigned in his place.
41 Jehoshaphat the son of Asa began to reign over Judah in the fourth year of Ahab king of Israel.
42 Jehoshaphat was thirty-five years old when he began to reign; and he reigned twenty-five years in Jerusalem. His mother’s name was Azubah the daughter of Shilhi.