Genesis 47:18-20

18And when that year was ended, they came unto him the second year, and said unto him, We will not hide from my lord, how that our money is all spent; and the herds of cattle are my lord’s; there is nought left in the sight of my lord, but our bodies, and our lands: 19wherefore should we die before thine eyes, both we and our land? buy us and our land for bread, and we and our land will be servants unto Pharaoh: and give us seed, that we may live, and not die, and that the land be not desolate.

20So Joseph bought all the land of Egypt for Pharaoh; for the Egyptians sold every man his field, because the famine was sore upon them: and the land became Pharaoh’s.