Genesis 36:6 And Esau took his wives, and his sons, and his daughters, and all the persons of his house, and his cattle, and all his beasts, and all his substance, which he had got in the land of Canaan; and went into the country from the face of his brother Jacob.
[Patriarchs & Prophets pp 207] This separation was in accordance with the divine purpose, concerning Jacob. Since the brothers differed so greatly in regard to religious faith, it was better for them to dwell apart. Esau and Jacob had alike been instructed in the knowledge of God, and both were free to walk in His commandments and to receive His favor; but they had not both chosen to do this.
The two brothers had walked in different ways, and their paths would continue to diverge more and more widely. There was no arbitrary choice on the part of God by which Esau was shut out from the blessings of salvation. The gifts of His grace through Christ are free to all. There is no election but one's own by which any may perish.
Exodus 3: 7 And the Lord said, I have surely seen the affliction of my people which are in Egypt, and have heard their cry by reason of their taskmasters; for I know their sorrows; 8 And I am come down to deliver them out of the hand of the Egyptians, and to bring them up out of that land unto a good land and a large, unto a land flowing with milk and honey; unto the place of the Canaanites, and the Hittites, and the Amorites, and the Perizzites, and the Hivites, and the Jebusites.
Genesis 36:12 And Timna was concubine to Eliphaz Esau's son; and she bare to Eliphaz Amalek: these were the sons of Adah Esau's wife.
May God add His blessing to the study of His word. “Good night” and God bless!