1 Chronicles 1:34-36

34 Abraham's son Isaac had two sons, Esau and Jacob.

35 Esau's sons were Eliphaz, Reuel, Jeush, Jalam, and Korah.

36 Eliphaz became the ancestor of the following tribes: Teman, Omar, Zephi, Gatam, Kenaz, Timna, and Amalek.