Career
Born on August 31, 1685, in Buenos Aires Ramón López de Osornio was the second son of Francisco López Osornio and Tomasa Merlo. Some sources indicate that Lopez de Osornio family were descendants of the Dukes of Normandy. Osornio married Margarita Sosa, the daughter of landowners of the northwest of the Province of Buenos Aires.
He was a captain of militia in the Province of Buenos Aires.
