 Mata had also been serving on an interim basis, since the removal of Viceroy Diego Ladrón de Guevara on March 2, 1716.Morcillo occupied this post until October 5, 1716, when the position was taken up by Carmine Nicolao Caracciolo, Prince of Santo Buono, the official successor of Ladrón de Guevara.Morcillo then returned to his ecclesiastical duties as archbishop of Charcas.