28The sons of Abraham: Isaac and Ishmael.29These are their descendants: firstborn Ishmael; Nebaioth, Kedar, Adbeel, and Mibsam.30Mishma, Dumah, Massa, Hadad, and Teman.31Jetur, Naphish, and Kedemah. These are the sons of Ishmael.32The sons of Keturah, Abraham's concubine: she bore Zimran, Jokshan, Medan, Midian, Ishbak, and Shuah. The sons of Jokshan: Sheba and Dedan.33The sons of Midian were Ephah, Epher, Enoch, Abida, and Eldaah. All these were the sons of Keturah.34Abraham fathered Isaac. The sons of Isaac were Esau and Israel.