Genesis 24:3 shows Abraham already forbidding Canaanite wives for Isaac — Rebekah's concern echoes the established family principle.

Genesis 26:34 records Esau marrying Hittite women — the very situation Rebekah is now complaining about. This verse establishes the cause of her grievance.

Genesis 26:35 states Esau's Hittite wives were 'a grief of mind unto Isaac and to Rebekah' — the same grief Rebekah now weaponizes as a pretext to send Jacob to Laban.

In Genesis 28:8, Esau sees his Canaanite wives displeased Isaac — the very parental displeasure Rebekah expresses here, prompting Esau to seek a different wife from Ishmael's line.

Genesis 24:37 repeats Abraham's oath against Canaanite wives — the same concern Rebekah now voices about Hittite women for Jacob.

Genesis 28:1 shows Isaac directly commanding Jacob not to marry a Canaanite woman — fulfilling the very concern Rebekah raised to send him away.

Genesis 36:2 records Esau marrying Hittite women — exactly the 'daughters of Heth' Rebekah dreaded Jacob would marry.

1 Chronicles 1:13 identifies Heth as Canaan's son — the ancestor of the Hittite women Rebekah is desperate to keep Jacob from marrying.

Malachi 2:15 warns against faithless marriage to preserve a godly seed — the same concern driving Rebekah's plea about Jacob and Hittite women.