You must do the same with your oxen and your sheep; for seven days the firstling may stay with its mother, but on the eighth day you must give it to me.
Every living thing that opens the womb, human being and beast alike, such as are to be offered to the Lord, shall be yours; but you must redeem the firstborn of human beings, as well as redeem the firstborn of unclean animals.
because every firstborn is mine. When I struck down all the firstborn in the land of Egypt, I consecrated to me every firstborn in Israel, human being and beast alike. They belong to me; I am the Lord. Census of the Levites.