This passage comes in, in the midst of Jacob's story, to show the influence of good example. Esau now begins to think Jacob the better man, and disdains not to take him for his pattern in this particular instance of marrying a daughter of Abraham.
Related Commentaries of Genesis 28:6
Genesis 28:6
6 When Esau saw that Isaac had blessed Jacob, and sent him away to Padanaram, to take him a wife from thence; and that as he blessed him he gave him a charge, saying, Thou shalt not take a wife of the daughters of Canaan;