2 Kings 9:5-7

5When he arrived, the captains of the army were sitting [outside]; and he said, “I have a message for you, O captain.” Jehu said, “To which one of us?” And he said, “For you, O captain.”

6So Jehu got up, and they went into the house. And he poured the oil on Jehu’s head and said to him, “Thus says the Lord, the God of Israel: ‘I have anointed you king over the people of the Lord, over Israel.

7You shall strike the house of Ahab your master, so that I may avenge the blood of My servants the prophets, and the blood of all the servants of the Lord, [who have died] at the hands of Jezebel.