'Us' in the Bible

“I have loved you,” says the Lord. But you say, “How have You loved us?” “Was not Esau Jacob’s brother?” declares the Lord. “Yet I have loved Jacob;

“But now will you not entreat God’s favor, that He may be gracious to us? With such an offering on your part, will He receive any of you kindly?” says the Lord of hosts.

“Do we not all have one father? Has not one God created us? Why do we deal treacherously each against his brother so as to profane the covenant of our fathers?