The term refeudalization denotes a process of selling previously royal (Regalities) or state sovereign rights to noble or ennobled families. It was triggered by repeated fiscal crises (Public finances) that the Spanish crown in particular confronted in the 17th century [9]. As a rule, therefore, the term is used primarily for relevant events in Castile and the parts of southern Italy ruled by Spain (Naples and Sicily). In Italy, the Spanish crown, which was always teetering on the edge of bankruptcy (Sovereign default), sold numerous rights of jurisdiction and taxation (Tax far…