Numbers 18:8

8Then the Lord spoke to Aaron, “Behold, aI have given you charge of the contributions made to me, all the consecrated things of the people of Israel. I have given them to you bas a portion and to your sons as a perpetual due.

Numbers 18:15

15 cEverything that opens the womb of all flesh, whether man or beast, which they offer to the Lord, shall be yours. Nevertheless, dthe firstborn of man you shall redeem, and the firstborn of unclean animals you shall redeem.
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