Midian: Son of Abraham by Keturah
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Genesis 25:2, 4
and she bore him Zimran, Jokshan, Medan, Midian, Ishbak, and Shuah. / The sons of Midian were Ephah, Epher, Hanoch, Abida, and Eldaah. All these were descendants of Keturah.
1 Chronicles 1:32, 33
The sons born to Keturah, Abraham’s concubine: Zimran, Jokshan, Medan, Midian, Ishbak, and Shuah. The sons of Jokshan: Sheba and Dedan. / The sons of Midian: Ephah, Epher, Hanoch, Abida, and Eldaah. All of these were Keturah’s sons.