Extended Strong's Hebrew Lexicon (Brown-Driver-Briggs based)
Medan
Usage: A man living at the time of the Patriarchs, first mentioned at Gen.25.2; son of: Abraham (H0085) and Keturah (H6989); half-brother of: Ishmael (H3458) and Isaac (H3327); brother of: Zimran (H2175), Jokshan (H3370), Midian (H4080), Ishbak (H3435) and Shuah (H7744); also called Mede frequently § Medan = "contention" a son of Abraham by Keturah