Contradiction with Genesis 36:20
Genesis 36:20 mentions the sons of Seir the Horite being inhabitants of the land, which can seem contradictory if Genesis 36:22 suggests exclusive lineage claims of Horites through Lotan.
Genesis 36:20: These [are] the sons of Seir the Horite, who inhabited the land; Lotan, and Shobal, and Zibeon, and Anah,
Contradiction with Genesis 27:41-42
Esau's lineage potentially contradicts Esau's peaceable relationships depicted in Genesis 36, as this earlier account shows longstanding animosity with his brother Jacob.
Genesis 27:41-42: And Esau hated Jacob because of the blessing wherewith his father blessed him: and Esau said in his heart, The days of mourning for my father are at hand; then will I slay my brother Jacob.