Shemot 11:3-5

Orthodox Jewish Bible

³ And Hashem gave the people chen in the sight of the Egyptians. Moreover the ish Moshe was gadol me’od in Eretz Mitzrayim, in the sight of Pharaoh’s avadim, and in the sight of the people.

⁴ And Moshe said, Thus saith Hashem, About khatzot halailah (midnight) will I go out into the midst of Mitzrayim;

⁵ And all the bechor in Eretz Mitzrayim shall die, from the bechor Pharaoh that sitteth upon his kisse, even unto the bechor hashifchah that is behind the millstone; and all the bechor behemah.