Exodus 13:15

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
Other translations

King James Version

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.

World English Bible

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 livestock. Therefore I sacrifice to the LORD all that opens the womb, being males; but all the firstborn of my sons I redeem.’

American Standard Version

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.

Geneva Bible 1599

For when Pharaoh was harde hearted against our departing, the Lord then slewe all the first borne in the lande of Egypt: from the first borne of man euen to the first borne of beast: therefore I sacrifice vnto the Lord all the males that first open the wombe, but all the first borne of my sonnes I redeeme.

Darby Translation

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.

Young's Literal Translation

yea, 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;

Bible in Basic English

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.

In context

14In the future, when your son asks you, ‘What does this mean?’ you are to tell him, ‘With a mighty hand the LORD brought us out of Egypt, out of the house of slavery.

16So it shall serve as a sign on your hand and a symbol on your forehead, for with a mighty hand the LORD brought us out of Egypt.”

Read Exodus 13