Genesis 25:21

18 and they tabernacle from Havilah unto Shur, which [is] before Egypt, in [thy] going towards Asshur; in the presence of all his brethren hath he fallen.

19 And these [are] births of Isaac, Abraham`s son: Abraham hath begotten Isaac;

20 and Isaac is a son of forty years in his taking Rebekah, daughter of Bethuel the Aramaean, from Padan-Aram, sister of Laban the Aramaean, to him for a wife.

21 And Isaac maketh entreaty to Jehovah before his wife, for she [is] barren: and Jehovah is entreated of him, and Rebekah his wife conceiveth,

22 and the children struggle together within her, and she saith, `If [it is] right -- why [am] I thus?` and she goeth to seek Jehovah.

23 And Jehovah saith to her, `Two nations [are] in thy womb, and two peoples from thy bowels are parted; and the [one] people than the [other] people is stronger; and the elder doth serve the younger.`

24 And her days to bear are fulfilled, and lo, twins [are] in her womb;