He began his adventures in the Americas in the city of San Felipe, Guanajuato before becoming a fixture in Aguascalientes society among the colonial elites of Nueva Galicia.
[4] That same year the father-in-law of Diego Romo de Vivar y Pérez, in addition to having acquired numerous lands, was also named as alférez in Nueva Vizcaya, New Spain.
Among his many properties was Rancho de Canutillo, later owned by Pancho Villa, who was assassinated in Parral on 20 July 1923 by Jesús Salas Barraza's men.
[5] Don Diego was a restless man and a true adventurer, and although he settled in the current state of Aguascalientes, he explored the numerous territories north of Mexico, exploited the mines in the Parral region and contained the frequent attacks of many of the most violent indigenous tribes, including the Apaches and Comanches.
His courage earned him the rank of captain and years later as the royal governor of San José del Parral, a place to which King Philip IV would grant the title of the "Silver capital of the world" in 1660.