Genesis 12:9

7The LORD appeared to Abram and said, “I will give this land to your offspring.” He built an altar there to the LORD, who had appeared to him.

8He left from there to go to the mountain on the east of Bethel and pitched his tent, having Bethel on the west, and Ai on the east. There he built an altar to the LORD and called on the LORD’s name.

9Abram traveled, still going on toward the South.

10There was a famine in the land. Abram went down into Egypt to live as a foreigner there, for the famine was severe in the land.

11When he had come near to enter Egypt, he said to Sarai his wife, “See now, I know that you are a beautiful woman to look at.