rsv Exodus:11:4-5
rsv@Exodus:11:4 @ And Moses said, "Thus says the LORD: About midnight I will go forth in the midst of Egypt;
rsv@Exodus:11:5 @ and all the first-born in the land of Egypt shall die, from the first-born of Pharaoh who sits upon his throne, even to the first-born of the maidservant who is behind the mill; and all the first-born of the cattle.