And the Lord spake unto Moses and unto Aaron,.... No notice is taken of the objection of Moses, having been sufficiently answered before, and Aaron is joined with him in the following charge: and gave them a charge unto the children of Israel, and unto Pharaoh king of Egypt; that is, to go to the children of Israel and comfort them, and direct them what they should do, and how they should behave under their present circumstances; assuring them of deliverance, and to go to Pharaoh, and to make a fresh demand upon him to let Israel go; and in this work they had a solemn charge from God to continue, and not to desist from it, until they had finished it: to bring the children of Israel out of the land of Egypt; which they were to be the instruments of: and that it might be known clearly from whom they descended, who had such a charge given them, and such honour put upon them, the following genealogy is recorded.