Genesis 13:1
And Abram went up out of Egypt, he, and his wife, and all that he had, and Lot with him, into the south.
Cross-reference
Genesis 13:3
Historical context
In Genesis 13:3, Abram continues this same northward journey, retracing his steps from the Negev back to Bethel where his tent had originally been.
Genesis 12:9–20
Historical context
Genesis 12:9-20 is the Egypt episode — famine drives Abram there, the Sarah deception occurs, God plagues Pharaoh, and Abram is expelled.
Genesis 20:1
Parallel
In Genesis 20:1, Abraham again journeys to the Negev and sojourns among foreigners, repeating the same sister-wife deception pattern with Abimelech of Gerar.