Exodus 13:15

And it came to passe when Pharaoh would hardly let vs goe, that the Lord slew all the first borne in the land of Egypt, both the first borne of man, and the first borne of beast: Therefore I sacrifice to the Lord all that openeth the matrix, being males: but all the first borne of my children I redeeme.
- King James Version (1611) - View 1611 Bible Scan

'It came about, when Pharaoh was stubborn about letting us go, that the LORD killed every firstborn in the land of Egypt, both the firstborn of man and the firstborn of beast. Therefore, I sacrifice to the LORD the males, the first offspring of every womb, but every firstborn of my sons I redeem.'
- New American Standard Version (1995)

and it came to pass, when Pharaoh would hardly let us go, that Jehovah slew all the first-born in the land of Egypt, both the first-born of man, and the first-born of beast: therefore I sacrifice to Jehovah all that openeth the womb, being males; but all the first-born of my sons I redeem.
- American Standard Version (1901)

And when Pharaoh made his heart hard and would not let us go, the Lord sent death on all the first sons in Egypt, of man and of beast: and so every first male who comes to birth is offered to the Lord; but for all the first of my sons I give a price.
- Basic English Bible

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.'
- Berean Standard Bible Bible

And it came to pass, when Pharaoh stubbornly refused to let us go, that Jehovah slew all the firstborn in the land of Egypt, both the firstborn of men and the firstborn of cattle: therefore I sacrifice to Jehovah all that breaketh open the womb -- being males; and every firstborn of my children I ransom.
- Darby Bible

For when Pharao was hardened, and would not let us go, the Lord slew every firstborn in the land of Egypt, from the firstborn of man to the firstborn of beasts: therefore I sacrifice to the Lord all that openeth the womb of the male sex, and all the firstborn of my sons I redeem.
- Douay-Rheims Bible

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 womb, being males; but all the firstborn of my sons I redeem.
- English Revised Version

and it happened, when Pharaoh would hardly let us go, that Yahweh killed all the firstborn in the land of Egypt, both the firstborn of man, and the firstborn of animal. Therefore I sacrifice to Yahweh all that opens the womb, being males; but all the firstborn of my sons I redeem.'
- World English Bible

Wesley's Notes for Exodus 13:15

13:13 Thou shalt redeem - The price of the redemption was fixed by the law.

13:16 For frontlets between thine eyes - As conspicuous as any thing fixt to thy forehead, or between thine eyes.