Numbers 3:12
"I [myself] receive the Levites from the midst of the {Israelites} in the place of all [the] firstborn of [the] offspring of the womb from the {Israelites}. The Levites will be mine
Numbers 3:41
And you will receive the Levites for me--I [am] Yahweh--in the place of all [the] firstborn among the {Israelites}, and the animals of the Levites in the place of all [the] firstborn among the animals among the {Israelites}."
Numbers 8:16
For they [are] given to me exclusively from the midst of the {Israelites}. I have taken them for myself in place of [the] firstborn of every womb, every firstborn from the {Israelites}.
Numbers 3:45
"Receive the Levites in the place of all [the] firstborn among the {Israelites}, and the animals of the Levites in the place of their animals; the Levites will be mine. I [am] Yahweh.
Numbers 8:18
and I have taken the Levites in the place of every firstborn among the {Israelites}.
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.
Exodus 13:2
"Consecrate to me every firstborn, the first offspring of every womb among the {Israelites}, among humans and among domestic animals; {it belongs to me}."