Numbers 3:39-41

Modern English Version

³⁹ All who were numbered of the Levites, which Moses and Aaron numbered at the commandment of the Lord, throughout their families, all the males from a month old and older, were twenty-two thousand.

The Redemption of the Firstborn

⁴⁰ The Lord said to Moses: Number all the firstborn of the males of the children of Israel from a month old and older and take the number of their names. ⁴¹ You will take the Levites for Me (I am the Lord) instead of all the firstborn among the children of Israel, and the livestock of the Levites instead of all the firstborn among the livestock of the children of Israel.