Bar Kappara and Rabbi Jose bar Patros referred to to explain why, in just before heading down to Egypt, Jacob "offered sacrifices to the God of his father Isaac," and not to the God of Abraham and Isaac.
Rabbi Johanan taught that Esau committed five sins on the day recounted in Rabbi Johanan deduced from the similar use of the words "the field" in and in connection with the betrothed maiden in that Esau dishonored a betrothed maiden.