This Bible contradiction is from the Skeptic's Annotated Bible.
Genesis 36:14 View context
And these were the sons of Aholibamah, the daughter of Anah the daughter of Zibeon, Esau's wife: and she bare to Esau Jeush, and Jaalam, and Korah.
Genesis 36:15-16 View context
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,
Duke Korah, duke Gatam, [and] duke Amalek: these [are] the dukes [that came] of Eliphaz in the land of Edom; these [were] the sons of Adah.