John Gill Commentary Genesis 36:18

"And these are the sons of Oholibamah, Esau`s wife: chief Jeush, chief Jalam, chief Korah: these are the chiefs that came of Oholibamah the daughter of Anah, Esau`s wife." — Genesis 36:18 (ASV)

And these [are] the sons of Aholibamah Esau's wife ;
&c.] (See Gill on Genesis 36:15).