Leviticus 27:26-27 - Redemption Of The Firstborn

²⁶ But a man may not give by oath to the Lord the first-fruits of cattle which are offered to the Lord: if it is an ox or a sheep it is the Lord's. ²⁷ And if it is an unclean beast, then the owner of it may give money to get it back, in agreement with the value fixed by you, by giving a fifth more; or if it is not taken back, let it be given for money in agreement with your valuing.

⁴⁰ And the Lord said to Moses, Let all the first male children be numbered, and take the number of their names. ⁴¹ And give to me the Levites (I am the Lord) in place of the first sons of the children of Israel; and the cattle of the Levites in place of the first births among the cattle of the children of Israel. ⁴² So Moses had all the first sons among the children of Israel numbered, as the Lord said to him. ⁴³ Every first son from a month old and over was numbered by name, and the number came to twenty-two thousand, two hundred and seventy-three.

⁴⁴ And the Lord said to Moses, ⁴⁵ Take the Levites in place of all the first sons of the children of Israel, and the cattle of the Levites in place of their cattle; the Levites are to be mine; I am the Lord.

⁴⁶ And the price you have to give for the two hundred and seventy-three first sons of the children of Israel which are in addition to the number of the Levites, ⁴⁷ Will be five shekels for every one, by the scale of the holy place (the shekel is twenty gerahs); ⁴⁸ And this money, the price of those over the number of the Levites, is to be given to Aaron and his sons.

⁴⁹ So Moses took the money, the price of those whose place had not been taken by the Levites; ⁵⁰ From the first sons of Israel he took it, a thousand, three hundred and sixty-five shekels, by the scale of the holy place; ⁵¹ And he gave the money to Aaron and his sons, as the Lord had said.