18. His children settled in the area between Havilah and Shur. It was near the eastern border of Egypt, as you go toward Asshur. Ishmael's children weren't friendly toward any of the tribes that were related to them.
19. Here is the story of Abraham's son Isaac. Abraham was the father of Isaac.
20. Isaac was 40 years old when he married Rebekah. She was the daughter of Bethuel the Aramean from Paddan Aram. She was also the sister of Laban the Aramean.
21. Rebekah couldn't have children. So Isaac prayed to the Lord for her. And the Lord answered his prayer. His wife Rebekah became pregnant.
22. The babies struggled with each other inside her. She said, "Why is this happening to me?" So she went to ask the Lord what she should do.
23. The Lord said to her, "Two nations are in your body. Two tribes that are now inside you will be separated. One nation will be stronger than the other. The older son will serve the younger one."