Treasury of Scripture Knowledge
Let the first male child of every mother among the children of Israel be kept holy for me, even the first male birth among man or beast; for it is mine.
Do not keep back your offerings from the wealth of your grain and your vines. The first of your sons you are to give to me.
The first birth of every living thing which is offered to the Lord, of man or beast, is to be yours; but for the first sons of man payment is to be made, and for the first young of unclean beasts.
And the best of all the first-fruits of everything, and every offering which is lifted up of all your offerings, will be for the priests: and you are to give the priest the first of your bread-making, so causing a blessing to come on your house.
(As it says in the law of the Lord, Every mother's first male child is to be holy to the Lord),