Exodus 6:1-3

21st Century King James Version

6 Then the Lord said unto Moses, “Now shalt thou see what I will do to Pharaoh; for with a strong hand shall he let them go, and with a strong hand shall he drive them out of his land.”

² And God spoke unto Moses and said unto him, “I am the Lord.

³ And I appeared unto Abraham, unto Isaac, and unto Jacob by the name of God Almighty, but by My name Jehovah was I not known to them.