Exodus 13:12

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.

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 34:19

All that opens the womb is mine; and every firstborn among thy livestock, whether of cow or of sheep, that is male.

Leviticus 27:26

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.

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 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.

Deuteronomy 15:19

All the firstborn males that come of thy herd and of thy flock thou shalt sanctify unto the LORD thy God; thou shalt do no work with the firstborn of thy bullock nor shear the firstborn of thy sheep.

Ezekiel 44:30

And the first of all the firstfruits of all things, and every offering of all, of every sort of your offerings, shall be the priest's; ye shall also give unto the priest the first of your dough, that he may cause the blessing to rest in thine house.

Numbers 3:12

Behold, I have taken the Levites from among the sons of Israel instead of all the firstborn that open the womb among the sons of Israel; therefore the Levites shall be mine;

Numbers 8:17

For all the firstborn of the sons of Israel are mine, both of man and of animals; from the day that I smote every firstborn in the land of Egypt I sanctified them for myself.

Luke 2:23

(as it is written in the law of the Lord, Every male that opens the womb shall be called holy to the Lord)

Treasury of Scripture Knowledge

Summary

That thou shalt set apart unto the LORD all that openeth the matrix, and every firstling that cometh of a beast which thou hast; the males shall be the LORD'S.

Bible References

Thou shalt

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 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.
Exodus 34:19
All that opens the womb is mine; and every firstborn among thy livestock, whether of cow or of sheep, that is male.
Leviticus 27:26
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 8:17
For all the firstborn of the sons of Israel are mine, both of man and of animals; from the day that I smote every firstborn in the land of Egypt I sanctified them for myself.
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.
Deuteronomy 15:19
All the firstborn males that come of thy herd and of thy flock thou shalt sanctify unto the LORD thy God; thou shalt do no work with the firstborn of thy bullock nor shear the firstborn of thy sheep.
Ezekiel 44:30
And the first of all the firstfruits of all things, and every offering of all, of every sort of your offerings, shall be the priest's; ye shall also give unto the priest the first of your dough, that he may cause the blessing to rest in thine house.

Openeth

Exodus 34:19
All that opens the womb is mine; and every firstborn among thy livestock, whether of cow or of sheep, that is male.
Numbers 3:12
Behold, I have taken the Levites from among the sons of Israel instead of all the firstborn that open the womb among the sons of Israel; therefore the Levites shall be mine;
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.