1 Chronicles 23:27-28

English Standard Version

²⁷ For by the last words of David the sons of Levi were numbered from ^(A)twenty years old and upward. ²⁸ For their duty was to assist the sons of Aaron for the service of the house of the Lord, having the care of the courts and the chambers, the cleansing of all that is holy, and any work for the service of the house of God.