Exodus 13:2 in the King James Version
Sanctify unto me all the firstborn, whatsoever openeth the womb among the children of Israel, both of man and of beast: it is mine.
Context
1 The LORD spoke to Moses, saying,
2 “Sanctify to me all the firstborn, whatever opens the womb among the children of Israel, both of man and of animal. It is mine.”
3 Moses said to the people, “Remember this day, in which you came out of Egypt, out of the house of bondage; for by strength of hand the LORD brought you out from this place. No leavened bread shall be eaten.