Genesis 27:18-20, 24, 36

So he went in to his father and said, “My father.” And he said, “Here I am. Who are you, my son?” Jacob said to his father, “I am Esau your firstborn. I have done as you told me; now sit up and eat of my game, that your soul may bless me.” But Isaac said to his son, “How is it that you have found it so quickly, my son?” He answered, “Because the LORD your God granted me success.”

He said, “Are you really my son Esau?” He answered, “I am.”

Esau said, “Is he not rightly named Jacob? For he has cheated me these two times. He took away my birthright, and behold, now he has taken away my blessing.” Then he said, “Have you not reserved a blessing for me?”