Pathological and pathogenic interdependences in multi family groups - this article, the authors, describe a clinical case and the wefts of the pathological and pathogenic interdependences where the patient is entangled with his own relatives. The transformations happening to the patient and in his family and the re-elaboration of their personal histories, through two years of multifamily therapy, are described with reference to the theory of prof. García Badaracco and to the clinical therapeutic experiences of the authors.