2Chr 29:13-15

13and of the sons of Elizaphan, Shimri and Jeuel; and of the sons of Asaph, Zechariah and Mattaniah;14and of the sons of Heman, Jehuel and Shimei; and of the sons of Jeduthun, Shemaiah and Uzziel.15They gathered their brothers, sanctified themselves, and went in as the king had commanded, by the words of the Lord, to cleanse the house of the Lord.