Alieni iuris is a term derived from Latin, which in our language could be translated as "without rights" or specifically "under the rights of another. " The alieni iuris is a qualification of Roman law, which is used to refer to those people who are under the domination, subjection, yoke or possession of another; In other words, it is the individual who is subjected, subject or repressed to the parental authority or power of another. Differentiating from this qualification is the term sui iuris or proper law, a name that was given to people, mostly male, to describe that they had full legal capacity, and that they also enjoyed a series of powers that persons awarded with the alieni iuris no.
This was a phenomenon that occurred in Roman families, with the purpose of qualifying the members that made it up. and those people who were subject to the mandate of sui iuris, or family power, regardless of age or sex, were the so-called alieni iuris, encompassing the filiusfamilias, whose name was given to the legitimate or adoptive descendant of the existing paterfamilias.. The woman who was subject to the mandate of her own husband or that of the father, also the person "in causa mancipi", who was that character who enjoyed full freedom given in noxa for the offenses committed, or in guarantee of the responsibilities the paterfamilias on whom it depended.
People with the title of alieni iuris had a restricted capacity regarding the situation of dependency that was on the pater. Therefore it is that the filii, who were the biological, adopted and slave children, were not allowed to marry without obtaining the authorization of the head of the family or pater; Furthermore, with respect to their patrimonial situation, they had a status similar to that of slaves, since what they acquired was annexed to the patrimony of pater.
