 It was built in 1890 by architect Boyd Walker for José Nicolás Puccio, founder of Alberdi.It was then sold to Ciro Echesortu, and then in turn to Alfredo Rouillon, married to María Hortensia Echesortu (from whom the house got its name).The wealthy Rouillon family employed Villa Hortensia as a summer residence, taking advantage of its proximity to the Paraná River and its large, tree-shadowed gardens.