This book chapter covers aspects related to law and the Church Fathers. It begins with an overview over who the Church Fathers were and how they thought about and dealt with law. It understands ‘Church Fathers’ not merely as a group of people in history (a specific group of early Christians, leading intellectuals and bishops) but also as a quasi-normative entity, a body of teaching, which has shaped legal thinking in the Christian tradition until today. Vice versa, the chapter takes into consideration that law was something early Christians encountered in their secular environment but also something they themselves developed and cultivated, as a form of Christian law, and how these two are connected, and how they differ. The chapter goes on...