The present study aims to know the families with history of intrafamilial violence practiced against children and adolescents accompanied by the Social Assistance Specialized Reference Center (CREAS) from the city of Mesquita/RJ, in terms of their composition, their relations and bonds and their internal dynamics. For this, a quanti-qualitative research has been made, through the analysis of 55 medical records from cases of families with history of intrafamilial violence practiced against children and adolescents accompanied by the CREAS of Mesquita, in the period between May 2009 and June 2011. Conclusions indicate the need of a new vision and understanding of families nowadays, considering its multiple arrangements, resources and relationships’ networks, in the processes aimed at protecting and indicate responsibility in cases of intrafamilial violence.