[1] He had a great military and political activity in the Río de la Plata, occupying the positions of sergeant major and governor of Buenos Aires.
[4] He held honorary positions in the city, being appointed as Sargento Mayor de la Plaza and served on an interim basis the governorship of Buenos Aires.
[5] He owned a large number of properties in the Río de la Plata territories and in his native country.
[11] His son, Jorge Ross del Pozo Silva was baptized on 17 July 1742, being his godfather Roberto Young,[12] a well-known doctor of the city of Scottish origin.
[14] His descendant Nicanor Costa Méndez, was Minister of Foreign Affairs during the Guerra de las Malvinas.