 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.Among the initiatives promoted by the new government was the preparation of a register that was characterized by having much more detailed parameters than the previous ones.