Genesis 46:1-3

And Israel took his journey with all that he had, and came to Beer-sheba, and offered sacrifices unto the God of his father Isaac. And God spake unto Israel in the visions of the night, and said, Jacob, Jacob. And he said, Here am I. And he said, I am God, the God of thy father: fear not to go down into Egypt; for I will there make of thee a great nation