openeth

Exodus 13:2, 12
"Consecrate to Me every firstborn male. The firstborn from every womb among the Israelites belongs to Me, both of man and beast." . . .

Exodus 22:29
You must not hold back offerings from your granaries or vats. You are to give Me the firstborn of your sons.

Numbers 18:15-17
The firstborn of every womb, whether man or beast, that is offered to the LORD belongs to you. But you must surely redeem every firstborn son and every firstborn male of unclean animals. . . .

Ezekiel 44:30
The best of all the firstfruits and of every contribution from all your offerings will belong to the priests. You are to give your first batch of dough to the priest, so that a blessing may rest upon your homes.

Luke 2:23
(as it is written in the Law of the Lord: "Every firstborn male shall be consecrated to the Lord"),