Line of succession to the French throne (Bonapartist) sons, and it seemed unlikely that he would have any due to the age of his wife, Joséphine de Beauharnais. His eventual response was to have his marriage to Josephine annulled and to undertake a second marriage with Roman Catholic rites to Archduchess Marie Louise, daughter of Emperor Francis I of Austria. Their only child was Napoleon, King of Rome, known in exile as "Napoleon II" and as the Duke of Reichstadt. He died unmarried, thereby extinguishing the legitimate descent of Napoleon I. Meanwhile, Napoleon I's older brother, Joseph Bonaparte, recognized upon establishment of the First Empire as first in
Coronation of Napoleon I the President of the Senate, the President of Legislature and the most senior President of the Council of State. After the oath the newly appointed herald of arms proclaimed loudly: "The thrice glorious and thrice august Emperor Napoleon is crowned and enthroned. Long live the Emperor!" During the people's acclamations Napoleon, surrounded by dignitaries, left the cathedral while the choir sang "Domine salvum fac imperatorem nostrum Napoleonem"—"God save our Emperor Napoleon". After the coronation the Emperor presented the imperial standards to each of his regiments. According to government tallies, the entire cost was over 8.5 million francs. In addition to