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
Napoleon Bonaparte: An Intimate Biography discovered that was yet to be published that shed light on a new side of Napoleon, such as love letters to Désirée Clary and Napoleon's autobiography entitled "Clisson et Eugénie". Cronin states that: ""The second reason is more personal. There are in existence a large number of Lives of Napoleon and, though it will sound presumptuous, I was dissatisfied with their picture of Napoleon. I could not find a living, breathing man. Always to my mind there were glaring contradictions of character. To take one example from many, biographers repeat Napoleon's phrase: "Friendship is only a word. I love no