Thematic Bible: Taken instead of the first-born of israel

Then the Lord said to Moses, "Number all the firstborn males of the Israelites from a month old and upward, and take the number of their names. And take the Levites for me -- I am the Lord -- instead of all the firstborn males among the Israelites, and the livestock of the Levites instead of all the firstborn of the livestock of the Israelites." So Moses numbered all the firstborn males among the Israelites, as the Lord had commanded him. read more.
And all the firstborn males, by the number of the names from a month old and upward, totaled 22,273. Then the Lord spoke to Moses: "Take the Levites instead of all the firstborn males among the Israelites, and the livestock of the Levites instead of their livestock. And the Levites will be mine. I am the Lord.

For they are entirely given to me from among the Israelites. I have taken them for myself instead of all who open the womb, the firstborn sons of all the Israelites. For all the firstborn males among the Israelites are mine, both humans and animals; when I destroyed all the firstborn in the land of Egypt I set them apart for myself. So I have taken the Levites instead of all the firstborn sons among the Israelites.

"Look, I myself have taken the Levites from among the Israelites instead of every firstborn who opens the womb among the Israelites. So the Levites belong to me, because all the firstborn are mine. When I destroyed all the firstborn in the land of Egypt, I set apart for myself all the firstborn in Israel, both man and beast. They belong to me. I am the Lord."