Amplified Bible, Classic Edition
11 And when the Lord brings you into the land of the Canaanites, as He promised and swore to you and your fathers, and shall give it to you,
12 You shall set apart to the Lord all that first opens the womb. All the firstlings of your livestock that are males shall be the Lord’s.
13 Every firstborn of a donkey you shall redeem by [substituting for it] a lamb, or if you will not redeem it, then you shall break its neck; and every firstborn among your sons shall you redeem.Read full chapter