Genesis 41:54-57 establishes the severe famine that leads to the situation in 43:1, providing the direct context.

Genesis 42:5 establishes that the famine in Canaan prompted Jacob's sons to go to Egypt—same famine described here as severe.

Genesis 12:10 describes Abram going to Egypt due to famine—a typological pattern repeated with Jacob's family in the same land.

Genesis 42:19 mentions 'the famine of your houses'—Joseph's words acknowledging the famine's severity that drives the brothers' return.

Genesis 47:4 confirms the famine's severity in Canaan as the reason for Jacob's family's sojourn in Egypt.

Acts 7:11-13 retells the famine story, directly referencing the same severe famine that drove Jacob to send his sons to Egypt.