2 Kings 9:6-8

6So Jehu stood up and he went into the house. The young prophet poured the oil onto Jehu's head. He said to him, ‘This is what the Lord, Israel's God, says to you: “I have now chosen you to be king of the Lord's people, Israel.

7You will destroy the family of your master, Ahab. In this way I will punish Ahab's wife Jezebel, because she killed the prophets and other people who served me.

8The whole family of Ahab must die. I will kill every male among his descendants in Israel, whoever they are.