Bring the tribe of Levi near, and set them before Aaron the priest, that they may minister unto him.
And thou shalt present the Levites before the tent of meeting: and thou shalt assemble the whole congregation of the children of Israel:
This is that which belongeth unto the Levites: from twenty and five years old and upward they shall go in to wait upon the service in the work of the tent of meeting:
And David divided them into courses according to the sons of Levi: Gershon, Kohath, and Merari.
And the courses of the sons of Aaron (were these). The sons of Aaron: Nadab and Abihu, Eleazar and Ithamar.
And stand in the holy place according to the divisions of the fathers' houses of your brethren the children of the people, and (let there be for each) a portion of a fathers' house of the Levites.