Exodus 34:19

All opening a womb are Mine, and every firstling of thy cattle born a male, ox or sheep;

Exodus 13:2

Sanctify to Me every first-born, opening any womb among the sons of Israel, among man and among beast; it is Mine.'

Exodus 22:29

'Thy fulness and thy liquids thou dost not delay; the first-born of thy sons thou dost give to Me;

Exodus 13:12

that thou hast caused every one opening a womb to pass over to Jehovah, and every firstling -- the increase of beasts which thou hast: the males are Jehovah's.

Numbers 18:15-17

every one opening a womb of all flesh which they bring near to Jehovah, among man and among beast, is thine; only, thou dost certainly ransom the first-born of man, and the firstling of the unclean beast thou dost ransom.

Ezekiel 44:30

And the first of all the first-fruits of all, and every heave-offering of all, of all your heave-offerings, are the priests': and the first of your dough ye give to the priest, to cause a blessing to rest on thy house.

Luke 2:23

as it hath been written in the Law of the Lord, -- 'Every male opening a womb shall 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
Sanctify to Me every first-born, opening any womb among the sons of Israel, among man and among beast; it is Mine.'
Exodus 22:29
'Thy fulness and thy liquids thou dost not delay; the first-born of thy sons thou dost give to Me;
Numbers 18:15
every one opening a womb of all flesh which they bring near to Jehovah, among man and among beast, is thine; only, thou dost certainly ransom the first-born of man, and the firstling of the unclean beast thou dost ransom.
Ezekiel 44:30
And the first of all the first-fruits of all, and every heave-offering of all, of all your heave-offerings, are the priests': and the first of your dough ye give to the priest, to cause a blessing to rest on thy house.
Luke 2:23
as it hath been written in the Law of the Lord, -- 'Every male opening a womb shall be called holy to the Lord,'