2 Kings 10:1

Overview - 2 Kings 10
1	Jehu, by his letters, causes seventy of Ahab's children to be beheaded.
8	He excuses the fact by the prophecy of Elijah.
12	At the shearing house he slays two and forty of Ahaziah's brethren.
15	He takes Jehonadab into his company.
18	By subtilty he destroys all the worshippers of Baal.
29	Jehu follows Jeroboam's sins.
32	Hazael oppresses Israel.
34	Jehoahaz succeeds Jehu.

2 Kings 10:1  (King James Version)
And Ahab had seventy sons in Samaria. And Jehu wrote letters, and sent to Samaria, unto the rulers of Jezreel, to the elders, and to them that brought up Ahab's children, saying,