The sons of Midian: Ephah, Epher, Hanoch, Abida, and Eldaah. All of these were Keturah’s sons.
Jewish Publication Society of America Version (JPS1917) - 1 Chronicles 1:33 >And the sons of Midian: Ephah, and Epher, and Hanoch, and Abida, and Eldaah. All these were the sons of Keturah.