Ishbak

And she bare him Zimran, and Jokshan, and Medan, and Midian, and Ishbak, and Shuah.

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.