[German version]

In Roman law the relationship between persons who are under the manus or patria potestas of the same pater familias or would be if he were still alive (in other words were descended from him in a purely male line, not interrupted by emancipation, Gai. Inst. 1,156). Those persons subjected to this power, who on the death of their pater familias immediately became free from power (sui iuris), formed the narrower circle of the  sui heredes ; a particular group of agnati were the  consanguinei . The agnatic system was the basis of the civil right of intestate inheritance. Agnati pr…