Numbers 3:12
"I'm taking the descendants of Levi for myself from among the Israelis in place of every first-born who opens the womb. The descendants of Levi belong to me
Numbers 3:41
Separate the descendants of Levi for me since I am the LORD in place of all the first-born sons of Israel. Also separate the livestock of the descendants of Levi in place of all the firstborn of the livestock of Israel."
Numbers 8:16
since they've been set apart for me from among the Israelis. I've taken them for myself instead of the first to open the womb every firstborn of the Israelis,
Numbers 3:45
"Separate the descendants of Levi in place of all the firstborn sons of Israel and the livestock of the descendants of Levi in place of their livestock. The descendants of Levi belong to me, since I am the LORD.
Numbers 8:18
taking the descendants of Levi instead of every firstborn of the Israelis.
Numbers 18:6
Notice that I've taken your brothers, the descendants of Levi, from among the Israelis, giving them to you as a gift from the LORD to perform the service of the Tent of Meeting.
Exodus 13:2
"Consecrate to me every firstborn male. Whatever is the first to open the womb among the Israelis, both of humans and of animals, belongs to me."