2 Chronicles 29:15 in the King James Version
And they gathered their brethren, and sanctified themselves, and came, according to the commandment of the king, by the words of the LORD, to cleanse the house of the LORD.
Context
14 and of the sons of Heman, Jehuel and Shimei; and of the sons of Jeduthun, Shemaiah and Uzziel.
15 They gathered their brothers, sanctified themselves, and went in, according to the commandment of the king by the LORD’s words, to cleanse the LORD’s house.
16 The priests went into the inner part of the LORD’s house to cleanse it, and brought out all the uncleanness that they found in the LORD’s temple into the court of the LORD’s house. The Levites took it from there to carry it out to the brook Kidron.