Rashi on Genesis 32:7/רש"י על בראשית ל״ב:ז׳

1באנו אל אחיך אל עשו WE CAME TO THY BROTHER, TO ESAU — to him of whom you said he is my brother, but he behaves towards you as Esau, the wicked — he is still harbouring hatred (Genesis Rabbah 75:7).