Exodus 11:1-6 GW

1 Then the LORD said to Moses, "I will bring one more plague on Pharaoh and Egypt. After that he will let you go. When he does, he will be certain to force all of you out of here.
2 Now announce to the people [of Israel] that each man and woman must ask the Egyptians for silver and gold jewelry."
3 The LORD made the Egyptians kind to the people. And Moses was highly respected by Pharaoh's officials and all the Egyptians.
4 Moses said, "This is what the LORD says: About midnight I will go out among the Egyptians.
5 Every firstborn son in Egypt will die, from the firstborn of Pharaoh who rules the land, to the firstborn children of female slaves who use their handmills, including every firstborn domestic animal.
6 There will be loud crying throughout Egypt, such as there has never been or ever will be again.