Exodus 6:2

The LORD said to Moses, “Now you shall see what I will do to Pharaoh, for by a strong hand he shall let them go, and by a strong hand he shall drive them out of his land.”

I appeared to Abraham, to Isaac, and to Jacob, as God Almighty; but by my name the LORD I was not known to them.

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.

Moreover I have heard the groaning of the children of Israel, whom the Egyptians keep in bondage, and I have remembered my covenant.