Not only ritual, but also kinship, can be understood as self-generative and in fact mutually self-generative social phenomena. They are in this sense foils for each other’s production of social values, transformations, causes, and effects. Because this model of cultural agency is nonlinear rather than linear, it works on the transformation of social wholes rather than categorical divisions, and thus can be applied to medieval as well as contemporary socio-ritual contingencies.