Numbers 18:2

But bring with you also your brothers, the tribe of Levi, the tribe of your father, that they may be joined with you and serve you, while you and your sons with you are before the tent of the testimony.

Genesis 29:34

She conceived again and bore a son and said, “Now this time my husband will become attached to me, because I have borne him three sons.” Therefore he was named Levi.

Numbers 18:4

They shall be joined with you and attend to the obligations of the tent of meeting, for all the service of the tent; but an outsider may not come near you.

Numbers 3:6-13

Bring the tribe of Levi near and set them before Aaron the priest, that they may serve him.

Numbers 4:15

When Aaron and his sons have finished covering the holy objects and all the furnishings of the sanctuary, when the camp is to set out, after that the sons of Kohath shall come to carry them, so that they will not touch the holy objects and die. These are the things in the tent of meeting which the sons of Kohath are to carry.

Numbers 8:19

I have given the Levites as a gift to Aaron and to his sons from among the sons of Israel, to perform the service of the sons of Israel at the tent of meeting and to make atonement on behalf of the sons of Israel, so that there will be no plague among the sons of Israel by their coming near to the sanctuary.”

Numbers 8:22

Then after that the Levites went in to perform their service in the tent of meeting before Aaron and before his sons; just as the Lord had commanded Moses concerning the Levites, so they did to them.

Numbers 16:40

as a reminder to the sons of Israel that no layman who is not of the descendants of Aaron should come near to burn incense before the Lord; so that he will not become like Korah and his company—just as the Lord had spoken to him through Moses.

Numbers 17:7

So Moses deposited the rods before the Lord in the tent of the testimony.

1 Chronicles 16:39-40

He left Zadok the priest and his relatives the priests before the tabernacle of the Lord in the high place which was at Gibeon,

2 Chronicles 30:16

They stood at their stations after their custom, according to the law of Moses the man of God; the priests sprinkled the blood which they received from the hand of the Levites.

Ezekiel 44:15

“But the Levitical priests, the sons of Zadok, who kept charge of My sanctuary when the sons of Israel went astray from Me, shall come near to Me to minister to Me; and they shall stand before Me to offer Me the fat and the blood,” declares the Lord God.

Treasury of Scripture Knowledge

Summary

And thy brethren also of the tribe of Levi, the tribe of thy father, bring thou with thee, that they may be joined unto thee, and minister unto thee: but thou and thy sons with thee shall minister before the tabernacle of witness.

Joined unto thee

Bible References

Joined unto thee

Genesis 29:34
She conceived again and bore a son and said, “Now this time my husband will become attached to me, because I have borne him three sons.” Therefore he was named Levi.

But thou

Numbers 3:10
So you shall appoint Aaron and his sons that they may keep their priesthood, but the layman who comes near shall be put to death.”
Numbers 4:15
When Aaron and his sons have finished covering the holy objects and all the furnishings of the sanctuary, when the camp is to set out, after that the sons of Kohath shall come to carry them, so that they will not touch the holy objects and die. These are the things in the tent of meeting which the sons of Kohath are to carry.
Numbers 16:40
as a reminder to the sons of Israel that no layman who is not of the descendants of Aaron should come near to burn incense before the Lord; so that he will not become like Korah and his company—just as the Lord had spoken to him through Moses.
Numbers 17:7
So Moses deposited the rods before the Lord in the tent of the testimony.
1 Chronicles 16:39
He left Zadok the priest and his relatives the priests before the tabernacle of the Lord in the high place which was at Gibeon,
2 Chronicles 30:16
They stood at their stations after their custom, according to the law of Moses the man of God; the priests sprinkled the blood which they received from the hand of the Levites.
Ezekiel 44:15
“But the Levitical priests, the sons of Zadok, who kept charge of My sanctuary when the sons of Israel went astray from Me, shall come near to Me to minister to Me; and they shall stand before Me to offer Me the fat and the blood,” declares the Lord God.

General references

Numbers 17:7
So Moses deposited the rods before the Lord in the tent of the testimony.
Nehemiah 10:35
and that they might bring the first fruits of our ground and the first fruits of all the fruit of every tree to the house of the Lord annually,
Hebrews 5:4
And no one takes the honor to himself, but receives it when he is called by God, even as Aaron was.