Exodus 13 15
Pharaoh stubbornly refused to let us leave, so the Lord killed every firstborn in the land of Egypt, both human and animal. That's the reason why I sacrifice to the Lord the firstborn male of every animal, and I buy back all the firstborn of my sons.’
Compare with other 3 random translations
LSV Exodus 13:15indeed, it comes to pass, when Pharaoh has been pained to send us away, that YHWH slays every firstborn in the land of Egypt, from the firstborn of man even to the firstborn of beast; therefore I am sacrificing to YHWH all opening a womb who are males, and I ransom every firstborn of my sons;
YLT Exodus 13:15yea, it cometh to pass, when Pharaoh hath been pained to send us away, that Jehovah doth slay every first-born in the land of Egypt, from the first-born of man even unto the first-born of beast; therefore I am sacrificing to Jehovah all opening a womb who are males, and every first-born of my sons I ransom;
CSB Exodus 13:15When Pharaoh stubbornly refused to let us go, the Lord killed every firstborn male in the land of Egypt, both the firstborn of humans and the firstborn of livestock. That is why I sacrifice to the Lord all the firstborn of the womb that are males, but I redeem all the firstborn of my sons.’