Esau was angry with Jacob. He was angry because of the blessing his father had given to Jacob. He said to himself, "My father will soon die. The days of sorrow over him are near. Then I'll kill my brother Jacob."
References for Genesis 27:41
Rebekah was told what her older son Esau had said. So she sent for her younger son Jacob. She said to him, "Your brother Esau is comforting himself with the thought of killing you.
"Now then, my son, do what I say. Go at once to my brother Laban in Haran.
Stay with him until your brother's anger calms down.
Stay until your brother isn't angry with you anymore. When he forgets what you did to him, I'll let you know. Then you can come back from there. Why should I lose both of you in one day?"
Then Rebekah spoke to Isaac. She said, "I'm sick of living because of Esau's Hittite wives. Suppose Jacob also marries a Hittite woman. If he does, my life won't be worth living."