FILIUSFAMILIAS
filiusfamilias (fil-ee-<<schwa>>s-f<<schwa>>-mil-ee-as), n. [Latin “the son of a family”]
Roman law. An unemancipated son or daughter, grandson or granddaughter. — Also termed homo
alieni juris. “Every Roman citizen is either a paterfamilias or a filiusfamilias, according as he is free from
paternal power (homo sui juris) or not (homo alieni juris). Paterfamilias is the generic name for a
homo sui juris, whether child or adult, married or unmarried. Filiusfamilias is the generic name for
a homo alieni juris, whether son or daughter, grandson or granddaughter, and so on.” Rudolph
Sohm, The Institutes: A Textbook of the History and System of Roman Private Law 177 (James
Crawford Ledlie trans., 3d ed. 1907).[Blacks Law 8th]