Exodus 34:19

Every first offspring of a womb [is] for me--all of your male livestock, [the] first offspring of cattle and small livestock.

Exodus 13:2

"Consecrate to me every firstborn, the first offspring of every womb among the {Israelites}, among humans and among domestic animals; {it belongs to me}."

Exodus 22:29

" 'You will not delay the fullness of your harvest and the juice from your press; you will give me the firstborn of your sons.

Exodus 13:12

you will hand over every first offspring of a womb to Yahweh, and every first offspring dropped by a domestic animal that will belong to you, the males [will be] for Yahweh.

Numbers 18:15-17

All [the] first offspring of a womb of any creature that they offer to Yahweh, whether human or animal, will be yours; you will surely redeem the firstborn of the human and the unclean firstborn of the animal.

Ezekiel 44:30

And [also] what is first of all of [the] firstfruits of everything, and of all of [the] contribution of everything from all of your contributions, to the priest {it belongs}, and what is first of your dough you shall give to the priest, so that a blessing may rest on your house.

Luke 2:23

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

Treasury of Scripture Knowledge

Summary

All that openeth the matrix is mine; and every firstling among thy cattle, whether ox or sheep, that is male.

Bible References

Openeth

Exodus 13:2
"Consecrate to me every firstborn, the first offspring of every womb among the {Israelites}, among humans and among domestic animals; {it belongs to me}."
Exodus 22:29
" 'You will not delay the fullness of your harvest and the juice from your press; you will give me the firstborn of your sons.
Numbers 18:15
All [the] first offspring of a womb of any creature that they offer to Yahweh, whether human or animal, will be yours; you will surely redeem the firstborn of the human and the unclean firstborn of the animal.
Ezekiel 44:30
And [also] what is first of all of [the] firstfruits of everything, and of all of [the] contribution of everything from all of your contributions, to the priest {it belongs}, and what is first of your dough you shall give to the priest, so that a blessing may rest on your house.
Luke 2:23
(just as it is written in the law of the Lord, "Every male that opens the womb will be called holy to the Lord")