Exodus 12:28-30

Young's Literal Translation

²⁸ And the people bow and do obeisance, and the sons of Israel go and do as Jehovah commanded Moses and Aaron; so have they done.

²⁹ And it cometh to pass, at midnight, that Jehovah hath smitten every first-born in the land of Egypt, from the first-born of Pharaoh who is sitting on his throne, unto the first-born of the captive who [is] in the prison-house, and every first-born of beasts.

³⁰ And Pharaoh riseth by night, he and all his servants, and all the Egyptians, and there is a great cry in Egypt, for there is not a house where there is not [one] dead,