 south of Turin, meant that it could be a "princedom" for Thomas in name only, being endowed neither with independence nor revenues of substance.Instead of receiving a significant patrimony, Thomas was wed in 1625 to Marie de Bourbon, sister and co-heiress of Louis de Bourbon, comte de Soissons, who would be killed in 1641 while fomenting rebellion against Cardinal Richelieu.As noted, the Principality was bought by Louis Jean Marie de Bourbon; as such the title was born by his Modenese wife; at his death to passed to his daughter by inheritance.