Reference

Genesis 25:3

And Jokshan begat Sheba, and Dedan. And the sons of Dedan were Asshurim, and Letushim, and Leummim.
1

Then again Abraham took a wife, and her name was Keturah.

2

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

3

And Jokshan begat Sheba, and Dedan. And the sons of Dedan were Asshurim, and Letushim, and Leummim.

4

And the sons of Midian; Ephah, and Epher, and Hanoch, and Abida, and Eldaah. All these were the children of Keturah.

5

And Abraham gave all that he had unto Isaac.