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Exodus 13:13
Every firstborn of a donkey you shall redeem with a lamb; and if you will not redeem it, then you shall break its neck; and you shall redeem all the firstborn of man among your sons.

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Numbers 3:48
and you shall give the money, with which their remainder is redeemed, to Aaron and to his sons.”

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Numbers 18:17
“But you shall not redeem the firstborn of a cow, or the firstborn of a sheep, or the firstborn of a goat. They are holy. You shall sprinkle their blood on the altar, and shall burn their fat for an offering made by fire, for a pleasant aroma to Yahweh.

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Deuteronomy 15:19
You shall dedicate all the firstborn males that are born of your herd and of your flock to Yahweh your God. You shall do no work with the firstborn of your herd, nor shear the firstborn of your flock.

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Deuteronomy 21:4
The elders of that city shall bring the heifer down to a valley with running water, which is neither plowed nor sown, and shall break the heifer’s neck there in the valley.

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Nehemiah 10:36
also the firstborn of our sons and of our livestock, as it is written in the law, and the firstborn of our herds and of our flocks, to bring to the house of our God, to the priests who minister in the house of our God;

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