2 Chronicles 22:8

Overview - 2 Chronicles 22
1	Ahaziah succeeding, reigns wickedly.
5	In his confederacy with Joram, the son of Ahab, he is slain by Jehu.
10	Athaliah, destroying all the seed royal, save Joash, whom Jehoshabeath his aunt hid, usurps the kingdom.

2 Chronicles 22:8  (King James Version)
And it came to pass, that, when Jehu was executing judgment upon the house of Ahab, and found the princes of Judah, and the sons of the brethren of Ahaziah, that ministered to Ahaziah, he slew them.