This article aims to discuss the strategies of cohesion and social integration, among the Family branches originated by the migration of secondborn children from sections of the portuguese nobility, between the XVII and XVIII centuries. In this article, our clipping circumscribes the trajectory of one of the second sons of the Águas Belas morgadio rooted in Portuguese America, specifically in the captaincy of Rio de Janeiro. As far as the research had shown, their descendants achieved relative success in their strategies for social insertion in America, fundamentally in what concerns their marriage bonds, acquiring important relationships with the best colonial families. Furthermore, we will see the development of their social networks, making use of the look on the alliances built, remembering the occupation of spaces recognized for guaranteeing prestige and the reproduction of the status and power in Portuguese America. [ABSTRACT FROM AUTHOR]