The Bible tells us that they struggled together in Rebekahs womb, a foreshadowing of their troubled relationship. Who Were Esau and Jacob?.
(21 Isaac prayed to the Lord on behalf of his wife, because she was childless. 19 This is the account of the family line of Abraham’s son Isaac. Esau was born first and thereby became legal heir to the family birthright which included, among other things, being heir to the Covenant between God and Abraham. Abraham became the father of Isaac, 20 and Isaac was forty years old when he married Rebekah daughter of Bethuel the Aramean from Paddan Aram  and sister of Laban the Aramean. Jacob and Esau were twin brothers born to Isaac and Rebekah. This is not the only time that the younger brother supplanted the older brother’s birthright in the bible. Esau was no longer the rightful heir to receive the blessing – Jacob was the rightful heir and Esau would have known this. ‘Yet I have loved Jacob, but Esau I have hated, and I have turned his mountains into a wasteland and left his inheritance to the desert jackals.’” Malachi 1:3 is quoted in Romans 9:10-13, “Not only that, but Rebekah’s children had one and the same father, our father Isaac. Jacob and Esau, the twin sons of Isaac and Rebecca, were engaged in a power struggle before they were even born.The younger son, Jacob, was an obedient, perfect Torah scholar, while his older brother Esau was a wild, aggressive hunter. Jacob and Esau.