Numbers 3:12, 41, 45

“I have taken the Levites from among the Israelites in place of the first male offspring of every Israelite woman. The Levites are mine

Take the Levites for me in place of all the firstborn of the Israelites, and the livestock of the Levites in place of all the firstborn of the livestock of the Israelites. I am the LORD.”

“Take the Levites in place of all the firstborn of Israel, and the livestock of the Levites in place of their livestock. The Levites are to be mine. I am the LORD.