 In 1707, after a long siege in which Rinaldo took part, German troops ousted the French from his capital.In the resulting peace treaty, Rinaldo acquired the Duchy of Mirandola, but lost Comacchio.In 1721, he attempted to establish friendlier relationship with France by marrying his son Francesco with Charlotte Aglaé d'Orléans, the daughter of Philippe d'Orléans, Duke of Orléans, the Regent of France during the childhood of King Louis XV.