1. Introduction: Re-Sacralizing the Social: Spiritual Kinship at the Crossroads of the Abrahamic Religions -- 2. Spiritual Kinship Between Formal Norms and Actual Practice a Comparative Analysis in the Long Run (from the Early Middle Ages until Today) -- 3. The Religion and Science of Kinship in an Age of Dissent: Pigeon-Breeders in Darwin’s London -- 4. Kinship as Ethical Relation: An Altern…