Jahath was chief and Zizah the second, but Jeush and Beriah had not many sons [not enough for a father's house or clan]; so they were counted together as one father's house.
The sons of Amram: Aaron and Moses. Aaron was set apart to sanctify him as most holy and to consecrate the most holy things, that he and his sons forever might burn incense before the Lord, minister to Him, and bless in His name [and the character which that name denotes] forever.
These were the Levites by their fathers' houses, the heads of the fathers' houses of those registered, according to the number of names of the individuals who were the servants of the house of the Lord, from twenty years old and upward.
But their duty should be to wait on [the priests] the sons of Aaron in the service of the house of the Lord, caring for the courts, the chambers, the cleansing of all holy things, and any work of the service of God's house,
For the showbread also, and for the fine flour for a cereal offering, whether of unleavened wafers or of what is baked on the griddle or soaked [in oil], and for all measuring of amount and size [as the Law of Moses required].
And to assist in offering all burnt sacrifices to the Lord on Sabbaths, New Moon festivals, and set feast days by number according to the ordinance concerning them, continually before the Lord.
So they shall keep charge of the Tent of Meeting and the Holy Place and shall attend to the sons of Aaron their kinsmen, for the service of the house of the Lord.