Numbers 3:9

You will give the Levites to Aaron and to his descendants; they [are] surely assigned to him from among the {Israelites}.

Numbers 8:19

And I have given the Levites; they are given to Aaron and his sons from the midst of the {Israelites} to do the work of the {Israelites} in the tent of the assembly and to make atonement for the {Israelites}, so a plague will not be among the {Israelites} when the {Israelites} come near the sanctuary."

Numbers 18:6-7

Look, I myself have chosen your brothers the Levites from the midst of the children. They are a gift to you given from Yahweh to perform the work of the tent of assembly.

Ephesians 4:8

Therefore it says, "Ascending on high he led captivity captive; he gave gifts to men."

Ephesians 4:11

And he himself gave some [as] apostles and some [as] prophets and some [as] evangelists and some [as] pastors and teachers

Treasury of Scripture Knowledge

Summary

And thou shalt give the Levites unto Aaron and to his sons: they are wholly given unto him out of the children of Israel.

Bible References

General references

Numbers 8:19
And I have given the Levites; they are given to Aaron and his sons from the midst of the {Israelites} to do the work of the {Israelites} in the tent of the assembly and to make atonement for the {Israelites}, so a plague will not be among the {Israelites} when the {Israelites} come near the sanctuary."
Numbers 18:6
Look, I myself have chosen your brothers the Levites from the midst of the children. They are a gift to you given from Yahweh to perform the work of the tent of assembly.
Ephesians 4:8
Therefore it says, "Ascending on high he led captivity captive; he gave gifts to men."