Genesis 25:4

And the sons of Madiam [were] Gephar and Aphir, and Enoch, and Abeida, and Eldaga; all these were sons of Chettura.

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

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