Biblical References
In the Hebrew Bible the laws (see mitzvah) concerning the redemption of the first-born male are referred to in Exodus, Numbers and Leviticus:
Numbers 3:49 And Moses took the redemption money of them that were over and above them that were redeemed by the Levites ... 51 And Moses gave the money of them that were redeemed unto Aaron and to his sons, according to the word of the LORD, as the LORD commanded Moses.
— King James Version, 1611
The redemption price was set at 5 shekels for each of 273 surplus firstborn Levites.
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