Exodus 34:19
All that opens the womb is mine; and every firstling among your cattle, whether ox or sheep, that is male.
Exodus 13:2
Sanctify unto me all the firstborn, whatsoever opens the womb among the children of Israel, both of man and of beast: it is mine.
Exodus 22:29
You shall not delay to offer the first of your ripe fruits, and of the outflow of your presses: the firstborn of your sons shall you give unto me.
Exodus 13:12
That you shall set apart unto the LORD all that opens the womb, and every firstling that comes of a beast which you have; the males shall be the LORD'S.
Numbers 18:15-17
Every thing that opens the womb in all flesh, which they bring unto the LORD, whether it be of men or animals, shall be yours: nevertheless the firstborn of man shall you surely redeem, and the firstling of unclean animals shall you redeem.
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: you shall also give unto the priest the first of your dough, that he may cause the blessing to rest in your house.
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;)