Numbers 18:15
Every thing that opens the womb in all flesh, which they shall offer unto the LORD, whether it is of men or animals, shall be thine; nevertheless the firstborn of man shalt thou surely ransom, and the firstborn of unclean animals shalt thou ransom.
Exodus 34:20
But the firstborn of an ass thou shalt ransom with a lamb, and if thou ransom him not, then shalt thou cut off his head. All the firstborn of thy sons thou shalt ransom, and none shall appear before me empty.
Exodus 13:2
Sanctify unto me all the firstborn, whatever opens the womb among the sons of Israel, both of man and of beast; for it is mine.
Exodus 13:12-13
that thou shalt set apart unto the LORD all that opens the womb and in the same manner every firstborn that opens the wombs of thy animals; the males shall be the LORD's.
Exodus 22:29
Thou shalt not delay to offer the first of thy ripe fruits and of thy liquors; the firstborn of thy sons shalt thou give unto me.
Leviticus 27:26-27
But the firstborn of the animals, which because it is firstborn belongs to the LORD, no one shall sanctify it; whether it is ox or sheep, it is the LORD's.
Numbers 3:13
because all the firstborn are mine; from the day that I smote all the firstborn in the land of Egypt, I sanctified unto me all the firstborn in Israel, both of men and of animals; they shall be mine: I am the LORD.
Numbers 3:46
And for the ransoms of the two hundred seventy-three of the firstborn of the sons of Israel, who are more than the Levites,