Numbers 3:12
"Look, I myself have taken the Levites from among the Israelites instead of every firstborn who opens the womb among the Israelites. So the Levites belong to me,
Numbers 3:41
And take the Levites for me -- I am the Lord -- instead of all the firstborn males among the Israelites, and the livestock of the Levites instead of all the firstborn of the livestock of the Israelites."
Numbers 8:16
For they are entirely given to me from among the Israelites. I have taken them for myself instead of all who open the womb, the firstborn sons of all the Israelites.
Numbers 3:45
"Take the Levites instead of all the firstborn males among the Israelites, and the livestock of the Levites instead of their livestock. And the Levites will be mine. I am the Lord.
Numbers 8:18
So I have taken the Levites instead of all the firstborn sons among the Israelites.
Numbers 18:6
I myself have chosen your brothers the Levites from among the Israelites. They are given to you as a gift from the Lord, to perform the duties of the tent of meeting.
Exodus 13:2
"Set apart to me every firstborn male -- the first offspring of every womb among the Israelites, whether human or animal; it is mine."