1 Chronicles 1:31-33

31 Jetur, Naphish and Kedemah. These were Ishmael’s sons.

32 Keturah was Abraham’s slave woman. She gave birth to Zimran, Jokshan, Medan, Midian, Ishbak and Shuah. Jokshan’s sons were Sheba and Dedan.

33 Midian’s sons were Ephah, Epher, Hanoch, Abida and Eldaah. All these people were descendants of Keturah.