Exodus 34:19

Every first male child is mine; the first male birth of your cattle, the first male of every ox and sheep.

Exodus 13:2

Let the first male child of every mother among the children of Israel be kept holy for me, even the first male birth among man or beast; for it is mine.

Exodus 22:29

Do not keep back your offerings from the wealth of your grain and your vines. The first of your sons you are to give to me.

Exodus 13:12

You are to put on one side for the Lord every mother's first male child, the first-fruit of her body, and the first young one of every beast; every male is holy to the Lord.

Numbers 18:15-17

The first birth of every living thing which is offered to the Lord, of man or beast, is to be yours; but for the first sons of man payment is to be made, and for the first young of unclean beasts.

Ezekiel 44:30

And the best of all the first-fruits of everything, and every offering which is lifted up of all your offerings, will be for the priests: and you are to give the priest the first of your bread-making, so causing a blessing to come on your house.

Luke 2:23

(As it says in the law of the Lord, Every mother's first male child is to be 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
Let the first male child of every mother among the children of Israel be kept holy for me, even the first male birth among man or beast; for it is mine.
Exodus 22:29
Do not keep back your offerings from the wealth of your grain and your vines. The first of your sons you are to give to me.
Numbers 18:15
The first birth of every living thing which is offered to the Lord, of man or beast, is to be yours; but for the first sons of man payment is to be made, and for the first young of unclean beasts.
Ezekiel 44:30
And the best of all the first-fruits of everything, and every offering which is lifted up of all your offerings, will be for the priests: and you are to give the priest the first of your bread-making, so causing a blessing to come on your house.
Luke 2:23
(As it says in the law of the Lord, Every mother's first male child is to be holy to the Lord),

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain