Exodus 6:27-29

BRG Bible

²⁷ These are they which spake to Pharaoh king of Egypt, to bring out the children of Israel from Egypt: these are that Moses and Aaron.

²⁸ ¶ And it came to pass on the day when the Lord spake unto Moses in the land of Egypt,

²⁹ That the Lord spake unto Moses, saying, I am the Lord: speak thou unto Pharaoh king of Egypt all that I say unto thee.