Smith's Bible Dictionary (1863)
(sharp sighted), son of Ezer, one of the “dukes” or chieftains of the Horites, and descendant of Seir. (Genesis 36:27) He is called Jakan in (1 Chronicles 1:42)
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
A'KAN (sharp-sighted ?), a descendant of Esau, Gen 36:27 ; called Jakan in 1 Chr 1:42.