Family is one of the major principles of welfare state redistribution. It has, however, rarely been at the centre of welfare state research. This contribution intends to help remedy the research gap in family-related redistribution. By examining the German welfare state which is known to be both redistributive and family-oriented, we want to answer the question of how and how far the German welfare state institutionalises family as a redistributive principle. Our case-study of German welfare state regulations in terms of family is based on the tax-benefit microsimulation model EUROMOD and its Hypothetical Household Tool (HHoT). We differentiate 54 family forms to adequately reflect our three theoretical assumptions, which are: (1) redistributive logics differ across family forms, and in part markedly; (2) these differences are not the result of one coherent set of regulations, but of an interplay of partially contradictory regulations; (3) family as a redistributive principle manifests itself not only in terms of additional benefits to families, but also in terms of particular obligations of families to financially support family members before they are entitled to public support. These aspects have hardly been analysed before and combining them allows a clear evaluation of family-related redistribution.