Genesis 20:1
And Abraham journeyed from thence toward the south country, and dwelled between Kadesh and Shur, and sojourned in Gerar.
Cross-reference
Isaac mirrors his father: famine drives him to Gerar where Abimelech rules, repeating the same wife-deception pattern from Abraham's story.
In Genesis 26:3, God commands Isaac to sojourn in the same land — Gerar — echoing Abraham's journey here and promising the same protection.
Abimelech comes to Isaac at Gerar — the same king and city as Abraham's story, echoing the earlier encounter across generations.
Genesis 21:34 confirms Abraham's extended stay in Philistine territory — Gerar was a Philistine city, so this continues the same regional sojourn.
Isaac settling in Gerar directly echoes Abraham's earlier sojourn in the same Philistine city under the same king.
Psalm 105:14 says God 'rebuked kings on their account' — directly recalling incidents like this where God rebuked Abimelech to protect Abraham.