The family is considered a branch of the natural law, that is, it appears of course in the society. The right is the responsible one for the estruturao of the model of grouping of this institute, that has its concept constructed for the way social. In legitimacy terms, the power the holy ghost was the first a ‘ ‘ criar’ ‘ the construction of this concept. After the Church, the state power acquires such legitimacy. From the creation of the Federal Constitution of 1988, diverse transformations if had given in the scopes politician, social, economic, among others, reing-echo in the family concept, a time that the article 226 CF, extends this concept, considering such entity as the base of the society, having special protection on the part of the State. The family law was the part of the Civil Code that more felt the effect of the direct application of the norms and principles constitutional of civil law. Such right is ample, and, therefore, it deals with to the guardianship, the absence, of foods, among others subjects that involve the relations between people who are not necessarily on for next kinship 1. The legal system has its principiolgica base related the essential principles constitutional to the family law, which is, of solidarity, equality, freedom, affectivity and dignity of the person human being, of the pluralism of the familiar entities, principles these to being analyzed to follow.