Exodus 12:27-29

Revised Standard Version Catholic Edition

²⁷ you shall say, ‘It is the sacrifice of the Lord’s passover, for he passed over the houses of the people of Israel in Egypt, when he slew the Egyptians but spared our houses.’” And the people bowed their heads and worshiped.

²⁸ Then the people of Israel went and did so; as the Lord had commanded Moses and Aaron, so they did.

The Tenth Plague: Death of the Firstborn

²⁹ At midnight the Lord smote all the first-born in the land of Egypt, from the first-born of Pharaoh who sat on his throne to the first-born of the captive who was in the dungeon, and all the first-born of the cattle.