Genesis 26:1
And there was a famine in the land, besides the first famine that was in the days of Abraham. And Isaac went unto Abimelech king of the Philistines unto Gerar.
Genesis 12:10
And there was a famine in the land: and Abram went down into Egypt to sojourn there; for the famine was severe in the land.
Genesis 20:1-2
And Abraham journeyed from there toward the Negeb, and dwelled between Kadesh and Shur, and sojourned in Gerar.
Genesis 21:22-32
And it came to pass at that time, that Abimelech and Phicol the chief captain of his host spoke unto Abraham, saying, God is with you in all that you do:
Genesis 25:11
And it came to pass after the death of Abraham, that God blessed his son Isaac; and Isaac dwelt by the well Lahairoi.