Numbers 3:6

Aaron's Sons

⁵ Then the Lord spoke to Moses, saying, ⁶ “Bring the tribe of Levi near and present them before Aaron the priest, so that they may serve him. ⁷ They shall carry out the duties for him and for the whole congregation before the Tent of Meeting, doing the service of the tabernacle.

Aaron

Levi

Exodus 32:26-29

then Moses stood in the gate of the camp, and said, “Whoever is on the Lord’s side, come to me!” And all the sons of Levi [the priestly tribe] gathered together to him.

Numbers 1:49-53

“Only the tribe of Levi you shall not number, nor shall you take their census among the sons of Israel [since they are unavailable to go to war].

Numbers 2:17

“Then the Tent of Meeting (tabernacle) shall move out with the camp of the Levites in the middle of the [other] camps; just as they camp so shall they move out, every man in his place by their standards.

Numbers 2:33

But the Levites were not numbered with the [other] Israelites, just as the Lord had commanded Moses.

Numbers 8:6-26

“Take the Levites from among the sons of Israel and cleanse them.

Numbers 16:9-11

does it seem but a small thing to you that the God of Israel has separated you from the congregation of Israel, to bring you near to Himself, to do the service of the tabernacle of the Lord, and to stand before the congregation to minister to them;

Numbers 18:1-7

So the Lord said to Aaron, “You and your sons and your father’s household (family) with you shall bear the guilt in connection with the sanctuary [that is, through your service as priests you will atone for the offenses which the people unknowingly commit when brought into contact with the manifestations of God’s presence]; and you and your sons with you shall bear the guilt in connection with your priesthood [that is, your own unintentional offenses].

Deuteronomy 10:8

At that time the Lord set apart the tribe of Levi to carry the ark of the covenant of the Lord, to stand before the Lord to serve Him and to bless in His name until this day.

Deuteronomy 33:8-9

Of Levi he said,

“Your Thummim and Your Urim belong to Your godly man [Aaron],
Whom You tested and proved at Massah,
With whom You contended at the waters of Meribah;

Malachi 2:4

Then you will know [without any doubt] that I have sent this [new] commandment to you (priests), that My covenant may continue with Levi [the priestly tribe],” says the Lord of hosts.