NUMBERS 18:15
Every thing that openeth the womb, of all flesh which they offer unto the LORD, both of man and beast, shall be thine: nevertheless the firstborn of man shalt thou surely redeem, and the firstling of unclean beasts shalt thou redeem.Every thing that openeth the womb, of all flesh which they offer unto the LORD, both of man and beast, shall be thine: nevertheless the firstborn of man shalt thou surely redeem, and the firstling of unclean beasts shalt thou redeem.