That was a decision of the Spanish government, which, in search of new funds to replenish the always troubled state coffers, in 1647 had decided to sell certain areas as a fiefdom to a Milanese and Spanish aristocratic family, leaving the centers included in the area itself the possibility of redeeming themselves against the payment of money.
In 1647, the Spanish government, seeking financial stability, sold certain areas as a fiefdom to a Milanese and Spanish noble family. This decision allowed the centers within the designated region to regain ownership through payment of money.