Exodus 34:20
But the firstling of an ass you shall redeem with a lamb. And if you do not redeem it, then you shall break its neck. All the first-born of your sons you shall redeem. And none shall appear before Me empty.
Exodus 23:15
You shall keep the Feast of Unleavened Bread. You shall eat unleavened bread seven days, as I commanded you, in the time appointed of the month Abib, for in it you came out of Egypt. And no one shall appear before Me empty.
Deuteronomy 16:16
Three times in a year shall all your males appear before Jehovah your God in the place which He shall choose: in the Feast of Unleavened Bread, and in the Feast of Weeks, and in the Feast of Tabernacles. And they shall not appear before Jehovah empty,
Exodus 13:15
And it happened when Pharaoh hardened himself against sending us, Jehovah killed all the first-born of the land of Egypt, both the first-born of man, and the first-born of animals. Therefore I sacrifice to Jehovah all that opens the womb, that are males. But all the first-born of my sons I redeem.
Exodus 13:13
And every first-born of an ass you shall redeem with a lamb. And if you will not redeem it, then you shall break its neck. And all the first-born of man among your sons you shall redeem.
Numbers 18:15
Everything that opens the womb in all flesh, which they bring to Jehovah, of men or animals, shall be yours. Nevertheless, the first-born of man you shall surely redeem, and the first-born of unclean animals you shall redeem.
Exodus 13:10
You shall therefore keep this law in its season from year to year.
Numbers 3:45-51
Take the Levites instead of all the first-born among the sons of Israel, and the cattle of the Levites instead of their cattle. And the Levites shall be Mine. I am Jehovah.
1 Samuel 9:7-8
Then Saul said to his young man, But behold, if we go, what shall we bring the man? For the bread in our vessels is gone, and there is no present to bring to the man of God. What do we have?
2 Samuel 24:24
And the king said to Araunah, No, but I will surely buy from you at a price. And I will not offer burnt offerings to Jehovah my God of that which costs me nothing. And David bought the threshing-floor and the oxen for fifty shekels of silver.