 The infeudation took place on 10 November 1656 for a sum of 3,430 lire.The "sangiorgese" community remained a fiefdom of the Castelli until 1780, when, with the death of Cardinal Giuseppe Castelli, the last descendant of the house, the debt was extinguished.In 1706 the Austrians took over from the Spanish as rulers of the Duchy of Milan.