Who is…Medan Meaning: contention Medan is the 3rd son of Abraham by Keturah (Genesis 25:2). He was therefore a half-brother of both Isaac and Ishmael. Q & A Who is Abraham? and what is his significance? Who is Keturah? What and who are patriarchs in the Bible? Who is Isaac? What do we know about him? Who is Ishmael, and what is his significance? Article Version: October 24, 2025