Kenaz

Kenaz son of Eliphaz and grandson to Esau may have been the ancestor of the Kenezites.

Gen 36:11  And the sons of Eliphaz were Teman, Omar, Zepho, and Gatam, and Kenaz. 

Gen 36:15  These were dukes of the sons of Esau: the sons of Eliphaz the firstborn son of Esau; duke Teman, duke Omar, duke Zepho, duke Kenaz,

Gen 36:42  Duke Kenaz, duke Teman, duke Mibzar, 

1Ch 1:36  The sons of Eliphaz; Teman, and Omar, Zephi, and Gatam, Kenaz, and Timna, and Amalek. 

1Ch 1:53  Duke Kenaz, duke Teman, duke Mibzar,