'Us' in the Bible

“I have loved you,” says the Lord. But you say, “How and in what way have You loved us?” “Was not Esau Jacob’s brother?” declares the Lord. “Yet I loved Jacob (Israel);

“But now will you not entreat God’s favor, that He may be gracious to us? With such an offering from your hand [as an imperfect animal for sacrifice], will He show favor to any of you?” says the Lord of hosts.

Do we not all have one Father? Has not one God created us? Why do we deal treacherously with one another, profaning the covenant of our fathers [with God]?