15 and it happened, when Par`oh would hardly let us go, that the LORD killed all the firstborn in the land of Mitzrayim, both the firstborn of man, and the firstborn of animal. Therefore I sacrifice to the LORD all that opens the womb, being males; but all the firstborn of my sons I redeem.'
15
When Pharaoh stubbornly refused to let us go, the LORD killed the firstborn of both people and animals in Egypt. This is why I sacrifice to the LORD the first male offspring of every womb and redeem each of my firstborn sons.’