Exodus 13:12
That you shall set apart unto the Yahuah all that openeth the matrix, and every firstling that cometh of a beast which you hast; the males the Yahuah'S.
ā The Restored Word Bible
Context
10 you shall therefore keep this ordinance in his season from year to year.
11 And it shall be when the Yahuah shall bring you into the land of the Canaanites, as he sware unto you and to your fathers, and shall give it you,
12 That you shall set apart unto the Yahuah all that openeth the matrix, and every firstling that cometh of a beast which you hast; the males the Yahuah'S.
13 And every firstling of an ass you shall redeem with a lamb; and if you will not redeem it, then you shall break his neck: and all the firstborn of man among your children shall you redeem.
14 And it shall be when your son asketh you in time to come, saying, What this? that you shall say unto him, By strength of hand the Yahuah brought us out from Egypt, from the house of bondage: