Numbers 3:24-34

24 with Eliasaph son of Lael as head of the ancestral house of the Gershonites.
25 The responsibility of the sons of Gershon in the tent of meeting was to be the tabernacle, the tent with its covering, the screen for the entrance of the tent of meeting,
26 the hangings of the court, the screen for the entrance of the court that is around the tabernacle and the altar, and its cords—all the service pertaining to these.
27 To Kohath belonged the clan of the Amramites, the clan of the Izharites, the clan of the Hebronites, and the clan of the Uzzielites; these are the clans of the Kohathites.
28 Counting all the males, from a month old and upward, there were eight thousand six hundred, attending to the duties of the sanctuary.
29 The clans of the Kohathites were to camp on the south side of the tabernacle,
30 with Elizaphan son of Uzziel as head of the ancestral house of the clans of the Kohathites.
31 Their responsibility was to be the ark, the table, the lampstand, the altars, the vessels of the sanctuary with which the priests minister, and the screen—all the service pertaining to these.
32 Eleazar son of Aaron the priest was to be chief over the leaders of the Levites, and to have oversight of those who had charge of the sanctuary.
33 To Merari belonged the clan of the Mahlites and the clan of the Mushites: these are the clans of Merari.
34 Their enrollment, counting all the males from a month old and upward, was six thousand two hundred.
New Revised Standard Version Bible, copyright 1989, Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved.