New International Version

20 and Isaac was forty years old when he married Rebekah daughter of Bethuel the Aramean from Paddan Aram[a] and sister of Laban the Aramean.

21 Isaac prayed to the Lord on behalf of his wife, because she was childless. The Lord answered his prayer, and his wife Rebekah became pregnant. 22 The babies jostled each other within her, and she said,