Numbers 3:27 – 51
To Kohath belonged the clan of the Amramites, the clan of the Izharites, the clan of the Hebronites, and the clan of the Uzzielites; those were the clans of the Kohathites. All the listed males from the age of one month up came to 8,600, attending to the duties of the sanctuary. The clans of the Kohathites were to camp along the south side of the Tabernacle. The chieftain of the ancestral house of the Kohathite clans was Elizaphan son of Uzziel. Their duties comprised: the ark, the table, the lampstand, the altars, and the sacred utensils that were used with them, and the screen--all the service connected with these. The head chieftain of the Levites was Eleazar son of Aaron the priest, in charge of those attending to the duties of the sanctuary.
To Merari belonged the clan of the Mahlites and the clan of the Mushites; those were the clans of Merari. The recorded entries of all their males from the age of one month up came to 6,200. The chieftain of the ancestral house of the clans of Merari was Zuriel son of Abihail. They were to camp along the north side of the Tabernacle. The assigned duties of the Merarites comprised: the planks of the Tabernacle, its bars, posts, and sockets, and all its furnishings--all the service connected with these; also the posts around the enclosure and their sockets, pegs, and cords.
Those who were to camp before the Tabernacle, in front--before the Tent of Meeting, on the east--were Moses and Aaron and his sons, attending to the duties of the sanctuary, as a duty on behalf of the Israelites; and any outsider who encroached was to be put to death. All the Levites who were recorded, whom at the Lord's command Moses and Aaron recorded by their clans, all the males from the age of one month up, came to 22,000.
The Lord said to Moses: Record every first-born male of the Israelite people from the age of one month up, and make a list of their names; and take the Levites for Me, the Lord, in place of every first-born among the Israelite people, and the cattle of the Levites in place of every first-born among the cattle of the Israelites. So Moses recorded all the first-born among the Israelites, as the Lord had commanded him. All the first-born males as listed by name, recorded from the age of one month up, came to 22,273.
The Lord spoke to Moses, saying: Take the Levites in place of all the first-born among the Israelite people, and the cattle of the Levites in place of their cattle; and the Levites shall be Mine, the Lord's. And as the redemption price of the 273 Israelite first-born over and above the number of the Levites, take five shekels per head--take this by the sanctuary weight, twenty gerahs to the shekel--and give the money to Aaron and his sons as the redemption price for those who are in excess. So Moses took the redemption money from those over and above the ones redeemed by the Levites; he took the money from the first-born of the Israelites, 1,365 sanctuary shekels. And Moses gave the redemption money to Aaron and his sons at the Lord's bidding, as the Lord had commanded Moses.