Now the sons of Keturah, Abraham's concubine: she bare Zimran, and Jokshan, and Medan, and Midian, and Ishbak, and Shuah. And the sons of Jokshan; Sheba, and Dedan.
1 Chronicles 4:11
And Chelub the brother of Shuah begat Mehir, which was the father of Eshton.