Exo 13:15 | ESV | STEP | For 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 animals . Therefore I sacrifice to the Lord all the males that first open the womb , but all the firstborn of my sons I redeem .

Exodus 13:15

15 For when Pharaoh stubbornly refused to let us go, the ^aLord killed all the firstborn in the land of Egypt, both the firstborn of man and the firstborn of animals. Therefore I sacrifice to the Lord all the males that first open the womb, but ^ball the firstborn of my sons I redeem.’