Midianites: Descended Form Midian, Son of Abraham by Keturah
Source: TTT
Genesis 25:1, 2
Now Abraham had taken another wife, named Keturah, / and she bore him Zimran, Jokshan, Medan, Midian, Ishbak, and Shuah.
1 Chronicles 1:32
The sons born to Keturah, Abraham’s concubine: Zimran, Jokshan, Medan, Midian, Ishbak, and Shuah. The sons of Jokshan: Sheba and Dedan.