Exodus 22:29
You shall not delay to offer the first of your ripe fruits, and of your liquors: the firstborn of your sons shall you give to me.
Nave's Topical Index—AKJV

Exodus 23:19
The first of the first fruits of your land you shall bring into the house of the LORD your God. You shall not seethe a kid in his mother's milk.
Nave's Topical Index—AKJV

Exodus 34:26
The first of the first fruits of your land you shall bring to the house of the LORD your God. You shall not seethe a kid in his mother's milk.
Nave's Topical Index—AKJV

Deuteronomy 26:3-10
And you shall go to the priest that shall be in those days, and say to him, I profess this day to the LORD your God, that I am come to the country which the LORD swore to our fathers for to give us.
Nave's Topical Index—AKJV