According to the Hebrew Bible

Hebrew Bible

The Hebrew Bible is a term used by biblical scholars outside of Judaism to refer to the Tanakh , a canonical collection of Jewish texts, and the common textual antecedent of the several canonical editions of the Christian Old Testament...

, Midian is the fourth son of Abraham

Abraham

Abraham , whose birth name was Abram, is the eponym of the Abrahamic religions, among which are Judaism, Christianity and Islam...

 by Keturah

Keturah

According to the Hebrew Bible, Keturah or Ketura was the woman whom Abraham, the patriarch of the Israelites, married after the death of his wife, Sarah. Keturah bore Abraham six sons, Zimran, Jokshan, Medan, Midian, Ishbak, and Shuah....

, the woman Abraham married after Sarah

Sarah

Sarah or Sara was the wife of Abraham and the mother of Isaac as described in the Hebrew Bible and the Quran. Her name was originally Sarai...

's death. His brothers are Zimran

Zimran

Zimran , also known as Zambran. was according to the Hebrew Bible the first son of Abraham, the patriarch of the Israelites, and Keturah whom he wed after the death of Sarah...

, Jokshan

Jokshan

Jokshan ; most probably Josephus' Jazar. According to the Bible he was the second son of Abraham and his concubine Keturah, whom he wed after the death of Sarah...

, Medan

Medan (son of Abraham)

According to the Bible, Medan ; also spelt Madan was the third son of Abraham, the patriarch of the Israelites, and Keturah whom he wed after the death of Sarah...

, Ishbak

Ishbak

Ishbak , also spelt Jisbak and Josabak. According to the Bible he was the fifth son of Abraham, the patriarch of the Israelites, and Keturah whom he wed after the death of Sarah...

 and Shuah

Shuah

Shuah , also known as Sous, was, according to the Bible, the sixth son of Abraham, the patriarch of the Israelites, and Keturah whom he wed after the death of Sarah...

.
Josephus records that "Abraham contrived to settle them in colonies; and they took possession of Troglodytis and the country of Arabia the Happy, as far as it reaches to the Red Sea." Abraham in all probability, tried to keep them apart from Isaac to avoid conflict while fulfilling God's commission to spread out and inhabit the globe.

It is unclear whether this figure is connected to the Midian

Midian

Midian , Madyan , or Madiam is a geographical place and a people mentioned in the Bible and in the Qur'an. It is believed to be in northwest Saudi Arabia on the east shore of the Gulf of Aqaba and the northern Red Sea...

ite people found in later portions of the Hebrew scriptures.