When Napoleon first abdicated in 1814, at the "invitation" of Emperor Francis of Austria, the French empress, his daughter Louise, arrived at this Austrian palace with her son on May 21st. From then on, she became a crowned hostage.,Still theoretically holding the title of Queen, Louisa could no longer care about royal decorum and lightly embraced her son.,After arriving in Austria, on July 22, 1818, his maternal grandfather, Emperor Francis I of Austria, issued a decree cancelling his Napoleonic name and replacing it with the Germanized "Franz" as his new name; simultaneously, he revoked his titles of Roman King and all other honors, instead bestowing upon him the title of Duke of Lechstedt.。