Jezreel: A City of the Tribe of Issachar: Jehu Kills King Ahab, his Wife, and Friends At

…but King Joram had returned to Jezreel to recover from the wounds he had suffered at the hands of the Arameans in the battle against Hazael their king.) So Jehu said, “If you commanders wish to make me king, then do not let anyone escape from the city to go and tell it in Jezreel.” …

So Jehu killed everyone in Jezreel who remained of the house of Ahab, as well as all his great men and close friends and priests, leaving him without a single survivor.