13. had the following sons, listed in the order of their birth: Nebaioth, Kedar, Adbeel, Mibsam,
14. Mishma, Dumah, Massa,
15. Hadad, Tema, Jetur, Naphish, and Kedemah.
16. They were the ancestors of twelve tribes, and their names were given to their villages and camping places.
17. Ishmael was 137 years old when he died.
18. The descendants of Ishmael lived in the territory between Havilah and Shur, to the east of Egypt on the way to Assyria. They lived apart from the other descendants of Abraham.
19. This is the story of Abraham's son Isaac.
20. Isaac was forty years old when he married Rebecca, the daughter of Bethuel (an Aramean from Mesopotamia) and sister of Laban.