Numbers 18:15
Everything that breaketh open the womb of all flesh, which they present to Jehovah, of men or of beasts, shall be thine; nevertheless the firstborn of man shalt thou in any case ransom, and the firstborn of unclean beasts shalt thou ransom.
Exodus 34:20
But the firstling of an ass thou shalt ransom with a lamb; and if thou ransom it not, then shalt thou break its neck. All the first-born of thy sons thou shalt ransom; and none shall appear before me empty.
Exodus 13:2
Hallow unto me every firstborn, whatever breaketh open the womb among the children of Israel, of man and of cattle: it is mine.
Exodus 13:12-13
that thou shalt offer unto Jehovah all that breaketh open the womb, and every firstling that cometh of cattle which is thine: the males shall be Jehovah's.
Exodus 22:29
Thou shalt not delay the fulness of thy threshing-floor and the outflow of thy winepress. The firstborn of thy sons shalt thou give unto me.
Leviticus 27:26-27
Only the firstling which is offered as firstling to Jehovah among the cattle, that shall no man hallow, whether it be ox or sheep; it is Jehovah's.
Numbers 3:13
for every firstborn is mine. On the day that I smote all the firstborn in the land of Egypt, I hallowed unto me all the firstborn in Israel, both of man and beast; mine shall they be: I am Jehovah.
Numbers 3:46
And for those that are to be ransomed, the two hundred and seventy-three of the firstborn of the children of Israel, which are in excess over the Levites,