Romans 9:12
It was said unto her, The elder shall serve the younger.
Cross-reference
Genesis 25:23
Citation
Genesis 25:23 contains the full oracle that Romans 9:12 quotes: the elder shall serve the younger, showing God's sovereign choice.
2 Samuel 8:14
Prophetic fulfillment
In 2 Samuel 8:14, David subdues Edom—a historical fulfillment of the prophecy that the elder (Esau) would serve the younger (Jacob).
Genesis 27:29
Allusion
In Genesis 27:29, Isaac's blessing includes 'let people serve thee'—directly applying the oracle that the elder shall serve the younger.
Genesis 25:22
Historical context
In Genesis 25:22, Rebekah inquires about her struggling pregnancy—this sets the stage for the divine oracle quoted in Romans 9:12.