The aim of this paper is to demonstrate that families have developed different strategies breaking legal constraints about inheritance. The development cycle of the families, the life cycle of its members, the enrichment, and the open frontier were the principals elements that families operated in order to have anticipated the increasing transferences of the part of their wealth. Campinas, province of São Paulo is the geographical context studied from 1795 till 1850, during the growth of the plantations units. The sources are post-mortem inventories, estates records and census (maços de população). The methodologies used are agregated data and life history.