The sons of Abraham: Isaac [by his wife Sarah] and Ishmael [by Hagar her maid]. These are their descendants: The firstborn of Ishmael, Nebaioth; then Kedar, Adbeel, Mibsam, Mishma, Dumah, Massa, Hadad, Tema, Jetur, Naphish, and Kedemah. These are the sons of Ishmael. Now the sons of Keturah, Abraham’s concubine: she gave birth to Zimran, Jokshan, Medan, Midian, Ishbak, and Shuah. The sons of Jokshan: Sheba and Dedan. The sons of Midian: Ephah, Epher, Hanoch, Abida, and Eldaah. All these are the sons [and grandsons] of Keturah.
Abraham became the father of Isaac. The sons of Isaac: Esau and Israel (Jacob). The sons of Esau: Eliphaz, Reuel, Jeush, Jalam, and Korah. The sons of Eliphaz: Teman, Omar, Zephi, Gatam, Kenaz, Timna, and Amalek.