Father: Captain Francisco Sánchez de la Barrera Mother: Doña María Josefa de la Garza-Falcón Origins: A Spanish settler from Nuevo León, descended from the Sánchez de la Barrera and Garza-Falcón families — powerful landowning lineages with roots in Basque and Castilian settlers of the 16th–17th centuries Founding of Laredo: In 1755, he established the city…