1Chr 1:32-33

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: Ephah, Epher, Hanoch, Abida, and Eldaah. All these were the descendants of Keturah.