Exodus 22:29

29“You shall not delay to offer from the fullness of your harvest and from the outflow of your presses. aThe firstborn of your sons you shall give to me.

Numbers 18:11-13

11This also is yours: the contribution of their gift, all the bwave offerings of the people of Israel. I have given them to cyou, and to your sons and daughters with you, as a perpetual due. dEveryone who is clean in your house may eat it. 12 eAll the best of the oil and all the best of the wine and of the grain, fthe firstfruits of what they give to the Lord, I give to you. 13The first ripe fruits of all that is in their land, gwhich they bring to the Lord, shall be yours. hEveryone who is clean in your house may eat it.

Deuteronomy 18:4

4 iThe firstfruits of your grain, of your wine and of your oil, and the first fleece of your sheep, you shall give him.

Deuteronomy 26:4

4Then the priest shall take the basket from your hand and set it down before the altar of the Lord your God.

Copyright information for ESV