'Us' in the Bible

"I have shown love to you," says the Lord, but you say, "How have you shown love to us?" "Esau was Jacob's brother," the Lord explains, "yet I chose Jacob

But now plead for God's favor that he might be gracious to us. "With this kind of offering in your hands, how can he be pleased with you?" asks the Lord who rules over all.

Do we not all have one father? Did not one God create us? Why do we betray one another, in this way making light of the covenant of our ancestors?