Exodus 6:3 in the King James Version
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.
Context
2 God spoke to Moses, and said to him, “I am the LORD.
3 I appeared to Abraham, to Isaac, and to Jacob, as God Almighty; but by my name the LORD I was not known to them.
4 I have also established my covenant with them, to give them the land of Canaan, the land of their travels, in which they lived as aliens.