Numbers 18:2

Let your brothers, the family of Levi, come near with you, so that they may be joined with you and be your servants: but you and your sons with you are to go in before the ark of witness.

Genesis 29:34

And she was with child again, and gave birth to a son; and said, Now at last my husband will be united to me, because I have given him three sons: so he was named Levi.

Numbers 18:4

They are to be joined with you in the care of the Tent of meeting, doing whatever is needed for the Tent: and no one of any other family may come near you.

Numbers 3:6-13

Make the tribe of Levi come near, and put them before Aaron the priest, to be his helpers,

Numbers 4:15

And after the holy place and all its vessels have been covered up by Aaron and his sons, when the tents of the people go forward, the sons of Kohath are to come and take it up; but the holy things may not be touched by them for fear of death.

Numbers 8:19

And I have given them to Aaron and to his sons, from among the children of Israel, to undertake for them all the work of the Tent of meeting, and to take away sin from the children of Israel so that no evil may come on them when they come near the holy place.

Numbers 8:22

And then the Levites went in to do their work in the Tent of meeting before Aaron and his sons: all the orders which the Lord had given Moses about the Levites were put into effect.

Numbers 16:40

To be a sign, kept in memory for ever by the children of Israel, that no man who is not of the seed of Aaron has the right of burning spices before the Lord, so that he may not be like Korah and his band: as the Lord said to him by the mouth of Moses.

Numbers 17:7

And Moses put the rods before the Lord in the Tent of witness.

1 Chronicles 16:39-40

And Zadok the priest, with his brothers the priests, before the House of the Lord in the high place at Gibeon;

2 Chronicles 30:16

And they took their places in their right order, as it was ordered in the law of Moses, the man of God: the priests draining out on the altar the blood given them by the Levites.

Ezekiel 44:15

But as for the priests, the sons of Zadok, who took care of my holy place when the children of Israel were turned away from me, they are to come near me to do my work, they will take their places before me, offering to me the fat and the blood, says the Lord;

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
And she was with child again, and gave birth to a son; and said, Now at last my husband will be united to me, because I have given him three sons: so he was named Levi.

But thou

Numbers 3:10
And give orders that Aaron and his sons are to keep their place as priests; any strange person who comes near is to be put to death.
Numbers 4:15
And after the holy place and all its vessels have been covered up by Aaron and his sons, when the tents of the people go forward, the sons of Kohath are to come and take it up; but the holy things may not be touched by them for fear of death.
Numbers 16:40
To be a sign, kept in memory for ever by the children of Israel, that no man who is not of the seed of Aaron has the right of burning spices before the Lord, so that he may not be like Korah and his band: as the Lord said to him by the mouth of Moses.
Numbers 17:7
And Moses put the rods before the Lord in the Tent of witness.
1 Chronicles 16:39
And Zadok the priest, with his brothers the priests, before the House of the Lord in the high place at Gibeon;
2 Chronicles 30:16
And they took their places in their right order, as it was ordered in the law of Moses, the man of God: the priests draining out on the altar the blood given them by the Levites.
Ezekiel 44:15
But as for the priests, the sons of Zadok, who took care of my holy place when the children of Israel were turned away from me, they are to come near me to do my work, they will take their places before me, offering to me the fat and the blood, says the Lord;

General references

Numbers 17:7
And Moses put the rods before the Lord in the Tent of witness.
Nehemiah 10:35
And to take the first-fruits of our land, and the first-fruits of every sort of tree, year by year, into the house of the Lord;
Hebrews 5:4
And no man who is not given authority by God, as Aaron was, takes this honour for himself.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain