Gen 25:1-4

Abraham Marries Keturah 1Abraham took another wife, whose name was Keturah.2She bore him Zimran, Jokshan, Medan, Midian, Ishbak, and Shuah.3Jokshan was the father of Sheba and Dedan. The sons of Dedan were Asshurim, Letushim, and Leummim.4The sons of Midian were Ephah, Epher, Hanoch, Abida, and Eldaah. All these were the children of Keturah.