2nd Kings 10:11

8 And a man came and said to him, They have come with the heads of the king's sons. And he said, Put them down in two masses at the doorway of the town till the morning.

9 And in the morning he went out and, stopping, said to all the people there, You are upright men: it is true that I made designs against my master, and put him to death; but who is responsible for the death of all these?

10 You may be certain that nothing which the Lord has said about the family of Ahab will be without effect; for the Lord has done what he said by his servant Elijah.

11 So Jehu put to death all the rest of the seed of Ahab in Jezreel, and all his relations and his near friends and his priests, till there were no more of them.

12 Then he got up and came to Samaria. And he was at the meeting-place of the keepers of sheep, by the way,

13 When he came across the brothers of Ahaziah, king of Judah, and said, Who are you? And they said, We are the brothers of Ahaziah, king of Judah; we are going down to see the children of the king and of the queen.

14 And he said, Take them living. So they took them living, and put them to death in the water-hole of Beth-eked; of the forty-two men he put every one to death;