²³ and I say to you, “Let my son go that he may serve me.” If you refuse to let him go, behold, I ^(A)will kill your firstborn son.’”

The Tenth Plague: Death of the Firstborn

^29 (A)At midnight the ^(B)Lord struck down all the firstborn in the land of Egypt, ^(C)from the firstborn of Pharaoh who sat on his throne to the firstborn of the captive who was in the dungeon, and all the firstborn of the livestock.