The present work, divided into two studies, proposes, first, to investigate parents’ and offspring’s similarity relative to ethnic prejudice using appropriate measurement strategies for interdependent data, such as dyadic correlations (Study I), and, secondly, to understand if this similarity can be attributed to a specificity of the family relation or to the social generation through comparison between real dyads and pseudodyads (Study II). 100 family triads composed of mother, father and young adult child participated in the research, for a total of 300 subjects. Each participant was administered a questionnaire containing Akrami and colleagues’ (2000) Classic and Modern Prejudice Scale in the recent Italian version. Although Study I shows a good similarity between parents and offspring with respect to response profiles, Study II reveals that this similarity is not attributable to the specificity of the family relation, but to the generation of belonging.