Order of the Iron Crown (Austria)
The Holy Roman Empire, ruled by the Habsburg dynasty, gave way to the Empire of Austria between 1804 and 1806. The last Holy Roman Emperor, Franz II, was proclaimed Emperor Franz I of Austria. His daughter, the Archduchess Maria Louise, was Napoleon’s second wife and Empress Consort, and the mother of Napoleon’s only legitimate son and heir, Napoleon, Duke of Reichstadt. With the collapse of Napoleon’s empire, Imperial Austria regained its traditional control of Lombardy as the Kingdom of Lombardy–Venetia.
Holy Roman Emperor
The Holy Roman Emperor (also "German-Roman Emperor", "Roman-German emperor"; historically "", "Emperor of the Romans") was the ruler of the Holy Roman Empire (considered the successor of the Western Roman Empire) during the medieval and early modern periods. The title was, almost without interruption, held in conjunction with title of King of Germany ("rex teutonicorum") throughout the 12th to 18th centuries.