La administración de la casa de Velasco en el siglo XVII.

The Velasco, the High Constable of Castilla and Dukes of Frías, accumulated a huge number of noble states that made them one of the most important aristocratic families of the Crown of Castile. Its administrative structure was taken as a model by the Royal House. During the 17th century the Dukes of Frías proposed to improve the administrative structure in order to consolidate their financial statement through the regulation of the central management as well as the stewardship of its states.