And the sons of Keturah, the secondary wife of Abraham, the which she engendered, or conceived, were Zimran, Jokshan, Medan, Midian, Ishbak, and Shuah. And the sons of Jokshan were Sheba, and Dedan. And the sons of Dedan were Asshurim, and Letushim, and Leummim.
And he gave to him the testament of circumcision; and so he engender-ed Isaac, and circumcised him in the eighth day. And Isaac engendered Jacob, and Jacob engendered the twelve patriarchs.