What does Genesis 36:2 mean?

Esau married women from Canaan: Adah, daughter of Elon the Hittite; Oholibamah, daughter of Anah and granddaughter of Zibeon the Hivite; Genesis 36:2 - Modern Text Bible

(Lists Esau's wives, who are from the local Canaanite tribes, which was a point of tension in the family.)