 The eldest son, Pierre Boucher inherited the title and seigneurie of Boucherville, which had excellent land in the alluvial floodplain of the St Lawrence River.He married his eldest daughter, Marie-Ursule Boucher, to René Gaultier de Varennes, governor of Trois Rivières, under whom he had served.It is not known whether Pierre Boucher received land as dowry, as an award of bravery, or during his tenure as governor of Trois Rivières, but later Pierre Boucher the eldest is cited as having a Northern Mauricie holding, having rockier soil, which he split into two fiefdoms for his next two sons