Exodus 7:6 DBY

⁴  And Pharaoh will not hearken unto you; and I will lay my hand upon Egypt, and bring forth my hosts, my people, the children of Israel, out of the land of Egypt by great judgments.

⁵  And the Egyptians shall know that I am Jehovah, when I stretch forth my hand on Egypt, and bring out the children of Israel from among them.

⁶  And Moses and Aaron did as Jehovah had commanded them: so did they.

⁷  And Moses was eighty years old, and Aaron was eighty-three years old, when they spoke to Pharaoh.

⁸  And Jehovah spoke to Moses and to Aaron, saying,