By Pelayo Fernández García. Don Álvaro de Navia Osorio, third Marquis of Santa Cruz de Marcenado was born in Puerto de Vega (Asturias, Spain) on December 19, 1684. [1] His family influences allowed him to become maestre de campo (later colonel) of the Principality of Asturias’ tercio (later regiment), shortly before the beginning of the […]