'Fathers' in the Bible

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]?

“Yet from the days of your fathers you have turned away from My statutes and ordinances and have not kept them. Return to Me, and I will return to you,” says the Lord of hosts. “But you say, ‘How shall we return?’

He will turn the hearts of the fathers to their children, and the hearts of the children to their fathers [a reconciliation produced by repentance], so that I will not come and strike the land with a curse [of complete destruction].”