Genesis 25:1-3

Young's Literal Translation

25 And Abraham addeth and taketh a wife, and her name [is] Keturah;

² and she beareth to him Zimran, and Jokshan, and Medan, and Midian, and Ishbak, and Shuah.

³ And Jokshan hath begotten Sheba and Dedan; and the sons of Dedan were Asshurim, and Letushim, and Leummim;