When the letter came to these men, they took the king's sons and slew them, seventy persons, and put their heads in baskets and sent them to Jehu at Jezreel.
Say to him, Thus says the Lord: Have you killed and also taken possession? Thus says the Lord: In the place where dogs licked the blood of Naboth shall dogs lick your blood, even yours.
Then [Jehu] wrote a second letter to them, saying, If you are with me and will obey me, take the heads of your master [Joram's] sons and come to me at Jezreel by tomorrow this time. Now the [dead] king's sons, seventy persons, were with the great men of the city, who were bringing them up.
When a messenger came and told him, They have brought the heads of the king's sons, he said, Lay them in two heaps at the entrance of the city gate until morning.
The next morning he went out and stood and said to all the people, You are just and innocent. Behold, I conspired against my master and slew him, but who smote all these?
When Jehoram had ascended to the kingship of his father, he strengthened himself and slew all his brethren with the sword and also some of Israel's princes.