Exodus 13 · a question people ask
Did God want Israel's firstborn sons sacrificed?
No. The chapter separates animals from sons. Firstborn male animals are the LORD's (13:12), but "you shall redeem all the firstborn of man among your sons" (13:13), and the father says, "all the firstborn of my sons I redeem" (13:15). The verb in "Sanctify to me all the firstborn" (13:2) is qadash; for this form Brown-Driver-Briggs gives "set apart as sacred, consecrate, dedicate". Later the LORD takes the Levites "instead of all the firstborn who open the womb among the children of Israel" (Numbers 3:12), and a firstborn son is redeemed "for five shekels of money" (Numbers 18:16).
The verses
““Sanctify to me all the firstborn, whatever opens the womb among the children of Israel, both of man and of animal. It is mine.””
“that you shall set apart to the LORD all that opens the womb, and every firstborn that comes from an animal which you have. The males shall be the LORD’s. Every firstborn of a donkey you shall redeem with a lamb; and if you will not redeem it, then you shall break its neck; and you shall redeem all the firstborn of man among your sons.”
“When Pharaoh stubbornly refused to let us go, the LORD killed all the firstborn in the land of Egypt, both the firstborn of man, and the firstborn of livestock. Therefore I sacrifice to the LORD all that opens the womb, being males; but all the firstborn of my sons I redeem.’”
““Behold, I have taken the Levites from among the children of Israel instead of all the firstborn who open the womb among the children of Israel; and the Levites shall be mine, for all the firstborn are mine. On the day that I struck down all the firstborn in the land of Egypt I made holy to me all the firstborn in Israel, both man and animal. They shall be mine. I am the LORD.””