Easton's Bible Dictionary
(1.) One of the sons of Eliphaz, the son of Esau. He became the chief of an Edomitish tribe (Genesis 36:11, 15, 42).
(2.) Caleb's younger brother, and father of Othniel (Joshua 15:17), whose family was of importance in Israel down to the time of David (1 Chronicles 27:15). Some think that Othniel (Judges 1:13), and not Kenaz, was Caleb's brother.
(3.) Caleb's grandson (1 Chronicles 4:15).