These mansions, located at no. 45 of Paseo de Montejo, by 45 and 43, are twin constructions with French Renaissance features. They are the work of European architect M. Umbdenstock and their construction was carried out under the supervision of engineer Manuel Cantón Ramos, who was also in charge of the edification of Palacio Cantón, where the Regional Museum of Anthropology and History is located.