Esau held a grudge against Jacob because of the blessing his father had given him. He said to himself, “The days of mourning for my father are near; then I will kill my brother Jacob.”
This is what the Lord says: “For three sins of Edom, even for four, I will not relent. Because he pursued his brother with a sword and slaughtered the women of the land, because his anger raged continually and his fury flamed unchecked,
Then Israel sent messengers to the king of Edom, saying, ‘Give us permission to go through your country,’ but the king of Edom would not listen. They sent also to the king of Moab, and he refused. So Israel stayed at Kadesh.