Genesis 46:11

And she conceived again, and bare a son; and said, Now this time will my husband be joined unto me, because I have born him three sons: therefore was his name called Levi.

Simeon and Levi are brethren; instruments of cruelty are in their habitations. O my soul, come not thou into their secret; unto their assembly, mine honor, be not thou united: for in their anger they slew a man, and in their self-will they digged down a wall. Cursed be their anger, for it was fierce; and their wrath, for it was cruel: I will divide them in Jacob, and scatter them in Israel.

And these are the names of the sons of Levi according to their generations; Gershon, and Kohath, and Merari: and the years of the life of Levi were an hundred thirty and seven years.

And these were the sons of Levi by their names; Gershon, and Kohath, and Merari. And these are the names of the sons of Gershon by their families; Libni, and Shimei. And the sons of Kohath by their families; Amram, and Izehar, Hebron, and Uzziel. And the sons of Merari by their families; Mahli, and Mushi. These are the families of the Levites according to the house of their fathers. Of Gershon was the family of the Libnites, and the family of the Shimites: these are the families of the Gershonites. Those that were numbered of them, according to the number of all the males, from a month old and upward, even those that were numbered of them were seven thousand and five hundred.

And the LORD spake unto Moses and unto Aaron, saying, Take the sum of the sons of Kohath from among the sons of Levi, after their families, by the house of their fathers, From thirty years old and upward even until fifty years old, all that enter into the host, to do the work in the tabernacle of the congregation. This shall be the service of the sons of Kohath in the tabernacle of the congregation, about the most holy things: And when the camp setteth forward, Aaron shall come, and his sons, and they shall take down the covering vail, and cover the ark of testimony with it: And shall put thereon the covering of badgers' skins, and shall spread over it a cloth wholly of blue, and shall put in the staves thereof. And upon the table of showbread they shall spread a cloth of blue, and put thereon the dishes, and the spoons, and the bowls, and covers to cover withal: and the continual bread shall be thereon: And they shall spread upon them a cloth of scarlet, and cover the same with a covering of badgers' skins, and shall put in the staves thereof. And they shall take a cloth of blue, and cover the candlestick of the light, and his lamps, and his tongs, and his snuffdishes, and all the oil vessels thereof, wherewith they minister unto it: And they shall put it and all the vessels thereof within a covering of badgers' skins, and shall put it upon a bar. And upon the golden altar they shall spread a cloth of blue, and cover it with a covering of badgers' skins, and shall put to the staves thereof: And they shall take all the instruments of ministry, wherewith they minister in the sanctuary, and put them in a cloth of blue, and cover them with a covering of badgers' skins, and shall put them on a bar: And they shall take away the ashes from the altar, and spread a purple cloth thereon: And they shall put upon it all the vessels thereof, wherewith they minister about it, even the censers, the fleshhooks, and the shovels, and the basins, all the vessels of the altar; and they shall spread upon it a covering of badgers' skins, and put to the staves of it. And when Aaron and his sons have made an end of covering the sanctuary, and all the vessels of the sanctuary, as the camp is to set forward; after that, the sons of Kohath shall come to bear it: but they shall not touch any holy thing, lest they die. These things are the burden of the sons of Kohath in the tabernacle of the congregation. And to the office of Eleazar the son of Aaron the priest pertaineth the oil for the light, and the sweet incense, and the daily meat offering, and the anointing oil, and the oversight of all the tabernacle, and of all that therein is, in the sanctuary, and in the vessels thereof. And the LORD spake unto Moses and unto Aaron saying, Cut ye not off the tribe of the families of the Kohathites from among the Levites: But thus do unto them, that they may live, and not die, when they approach unto the most holy things: Aaron and his sons shall go in, and appoint them every one to his service and to his burden: But they shall not go in to see when the holy things are covered, lest they die. And the LORD spake unto Moses, saying, Take also the sum of the sons of Gershon, throughout the houses of their fathers, by their families; From thirty years old and upward until fifty years old shalt thou number them; all that enter in to perform the service, to do the work in the tabernacle of the congregation. This is the service of the families of the Gershonites, to serve, and for burdens: And they shall bear the curtains of the tabernacle, and the tabernacle of the congregation, his covering, and the covering of the badgers' skins that is above upon it, and the hanging for the door of the tabernacle of the congregation, And the hangings of the court, and the hanging for the door of the gate of the court, which is by the tabernacle and by the altar round about, and their cords, and all the instruments of their service, and all that is made for them: so shall they serve. At the appointment of Aaron and his sons shall be all the service of the sons of the Gershonites, in all their burdens, and in all their service: and ye shall appoint unto them in charge all their burdens. This is the service of the families of the sons of Gershon in the tabernacle of the congregation: and their charge shall be under the hand of Ithamar the son of Aaron the priest. As for the sons of Merari, thou shalt number them after their families, by the house of their fathers; From thirty years old and upward even unto fifty years old shalt thou number them, every one that entereth into the service, to do the work of the tabernacle of the congregation. And this is the charge of their burden, according to all their service in the tabernacle of the congregation; the boards of the tabernacle, and the bars thereof, and the pillars thereof, and sockets thereof, And the pillars of the court round about, and their sockets, and their pins, and their cords, with all their instruments, and with all their service: and by name ye shall reckon the instruments of the charge of their burden. This is the service of the families of the sons of Merari, according to all their service, in the tabernacle of the congregation, under the hand of Ithamar the son of Aaron the priest. And Moses and Aaron and the chief of the congregation numbered the sons of the Kohathites after their families, and after the house of their fathers, From thirty years old and upward even unto fifty years old, every one that entereth into the service, for the work in the tabernacle of the congregation: And those that were numbered of them by their families were two thousand seven hundred and fifty. These were they that were numbered of the families of the Kohathites, all that might do service in the tabernacle of the congregation, which Moses and Aaron did number according to the commandment of the LORD by the hand of Moses. And those that were numbered of the sons of Gershon, throughout their families, and by the house of their fathers, From thirty years old and upward even unto fifty years old, every one that entereth into the service, for the work in the tabernacle of the congregation, Even those that were numbered of them, throughout their families, by the house of their fathers, were two thousand and six hundred and thirty. These are they that were numbered of the families of the sons of Gershon, of all that might do service in the tabernacle of the congregation, whom Moses and Aaron did number according to the commandment of the LORD. And those that were numbered of the families of the sons of Merari, throughout their families, by the house of their fathers, From thirty years old and upward even unto fifty years old, every one that entereth into the service, for the work in the tabernacle of the congregation, Even those that were numbered of them after their families, were three thousand and two hundred. These be those that were numbered of the families of the sons of Merari, whom Moses and Aaron numbered according to the word of the LORD by the hand of Moses. All those that were numbered of the Levites, whom Moses and Aaron and the chief of Israel numbered, after their families, and after the house of their fathers, From thirty years old and upward even unto fifty years old, every one that came to do the service of the ministry, and the service of the burden in the tabernacle of the congregation. Even those that were numbered of them, were eight thousand and five hundred and fourscore, According to the commandment of the LORD they were numbered by the hand of Moses, every one according to his service, and according to his burden: thus were they numbered of him, as the LORD commanded Moses.

And the LORD spake unto Moses, saying, Speak unto Aaron and say unto him, When thou lightest the lamps, the seven lamps shall give light over against the candlestick. And Aaron did so; he lighted the lamps thereof over against the candlestick, as the LORD commanded Moses. And this work of the candlestick was of beaten gold, unto the shaft thereof, unto the flowers thereof, was beaten work: according unto the pattern which the LORD had showed Moses, so he made the candlestick. And the LORD spake unto Moses, saying, Take the Levites from among the children of Israel, and cleanse them. And thus shalt thou do unto them, to cleanse them: Sprinkle water of purifying upon them, and let them shave all their flesh, and let them wash their clothes, and so make themselves clean. Then let them take a young bullock with his meat offering, even fine flour mingled with oil, and another young bullock shalt thou take for a sin offering. And thou shalt bring the Levites before the tabernacle of the congregation: and thou shalt gather the whole assembly of the children of Israel together: And thou shalt bring the Levites before the LORD: and the children of Israel shall put their hands upon the Levites: And Aaron shall offer the Levites before the LORD for an offering of the children of Israel, that they may execute the service of the LORD. And the Levites shall lay their hands upon the heads of the bullocks: and thou shalt offer the one for a sin offering, and the other for a burnt offering, unto the LORD, to make an atonement for the Levites. And thou shalt set the Levites before Aaron, and before his sons, and offer them for an offering unto the LORD. Thus shalt thou separate the Levites from among the children of Israel: and the Levites shall be mine. And after that shall the Levites go in to do the service of the tabernacle of the congregation: and thou shalt cleanse them, and offer them for an offering. For they are wholly given unto me from among the children of Israel; instead of such as open every womb, even instead of the firstborn of all the children of Israel, have I taken them unto me. For all the firstborn of the children of Israel are mine, both man and beast: on the day that I smote every firstborn in the land of Egypt I sanctified them for myself. And I have taken the Levites for all the firstborn of the children of Israel. And I have given the Levites as a gift to Aaron and to his sons from among the children of Israel, to do the service of the children of Israel in the tabernacle of the congregation, and to make an atonement for the children of Israel: that there be no plague among the children of Israel, when the children of Israel come nigh unto the sanctuary. And Moses, and Aaron, and all the congregation of the children of Israel, did to the Levites according unto all that the LORD commanded Moses concerning the Levites, so did the children of Israel unto them. And the Levites were purified, and they washed their clothes; and Aaron offered them as an offering before the LORD; and Aaron made an atonement for them to cleanse them. And after that went the Levites in to do their service in the tabernacle of the congregation before Aaron, and before his sons: as the LORD had commanded Moses concerning the Levites, so did they unto them. And the LORD spake unto Moses, saying, This is it that belongeth unto the Levites: from twenty and five years old and upward they shall go in to wait upon the service of the tabernacle of the congregation: And from the age of fifty years they shall cease waiting upon the service thereof, and shall serve no more: But shall minister with their brethren in the tabernacle of the congregation, to keep the charge, and shall do no service. Thus shalt thou do unto the Levites touching their charge.

And these are they that were numbered of the Levites after their families: of Gershon, the family of the Gershonites: of Kohath, the family of the Kohathites: of Merari, the family of the Merarites.