Rebekah is here called Jacob's and Esau's mother — Jacob is named first, not only because he had always been his mother's darling, but because he was now made his father's heir, and Esau was postponed.
Related Commentaries of Genesis 28:5
Genesis 28:5
5 And Isaac sent away Jacob: and he went to Padanaram unto Laban, son of Bethuel the Syrian, the brother of Rebekah, Jacob's and Esau's mother.