Genesis 25:21
King James Version
“And Isaac intreated the LORD for his wife, because she barren: and the LORD was intreated of him, and Rebekah his wife conceived.”
Context
18And they dwelt from Havilah unto Shur, that before Egypt, as thou goest toward Assyria: he died in the presence of all his brethren.
19And these the generations of Isaac, Abraham’s son: Abraham begat Isaac:
20And Isaac was forty years old when he took Rebekah to wife, the daughter of Bethuel the Syrian of Padan-aram, the sister to Laban the Syrian.
21And Isaac intreated the LORD for his wife, because she barren: and the LORD was intreated of him, and Rebekah his wife conceived.
22And the children struggled together within her; and she said, If so, why I thus? And she went to enquire of the LORD.
23And the LORD said unto her, Two nations in thy womb, and two manner of people shall be separated from thy bowels; and people shall be stronger than people; and the elder shall serve the younger.
24And when her days to be delivered were fulfilled, behold, twins in her womb.