Translations
When Pharaoh stubbornly refused to let us go, Yahweh struck down every firstborn throughout the land of Egypt—from human firstborn to animal firstborn. That is why I sacrifice to Yahweh every firstborn male and redeem each of my firstborn sons.
For when Pharaoh stubbornly refused to release us, YHWH struck down every firstborn in the land of Mitzrayim—from the firstborn of man to the firstborn of beast. That is why I sacrifice to YHWH every firstborn male that opens the womb, and every firstborn of my sons I redeem.
And it came to pass, when Pharaoh would hardly let us go, that the LORD slew all the firstborn in the land of Egypt, both the firstborn of man, and the firstborn of beast: therefore I sacrifice to the LORD all that openeth the matrix, being males; but all the firstborn of my children I redeem.
And when Pharaoh stubbornly refused to let us go, the LORD killed every firstborn in the land of Egypt, both of man and beast. This is why I sacrifice to the LORD the firstborn male of every womb, but I redeem all the firstborn of my sons.’

