 Complete the following phrase:  Of the 26 marshals of the First Empire, seven have not been immortalized by having their names attached to boulevards comprising the ring. These missing marshalsPierre Augereau, Jean-Baptiste Bernadotte, Emmanuel de Grouchy, Auguste de Marmont, Bon-Adrien Jeannot de Moncey, Nicolas Oudinot, and Catherine-Dominique de Pérignonhad been relieved, during their lifetime, of the honor of Marshal of the Empire after having disputes with Napoleon or by changing sides during the periods when Napoleon was in exile, during the Hundred Days, during the Bourbon Restoration, or becoming royalty of an enemy Bernadotte become Crown Prince of Sweden in 1810, and led Swedish forces within the 