Lucien had retired to Rome in 1804, on the creation of the Empire, and had continued embroiled with his brother, partly from his so-called Republican principles, but chiefly from his adhering to his marriage, his second one, with Madame Jouberthon,—a union which Napoleon steadily refused to acknowledge, offering Lucien anything, a kingdom or the hand of a queen (if we take Lucien’s account), if he would only consent to the annulment of the contract.
In August 1810, affecting uneasiness as Napoleon stretched his power over Rome, Lucien embarked for America, but he was captured by the English and taken, first to Malta and then to England, where he passed the years till 1814 in a sort of honourable captivity, first at Ludlow and then at Thorngrove, not far from that town.
In 1814 Lucien was released, when he went to Rome, where he was welcomed by the kindly old Pope, who remembered the benefits conferred by Napoleon on the Church, while he forgot the injuries personal to himself; and the stiff-necked Republican, the one-time “Brutus” Bonaparte, accepted the title of Duke of Musignano and Prince of Canino.
In 1815 Lucien joined his brother, whom he wished to abdicate at the Champ de Mai in favour of the King of Rome, placing his sword only at the disposal of France. This step was seriously debated, but, though it might have placed the Allies in a more difficult position, it would certainly have been disregarded by them, at least unless some great victory had given the dynasty firmer footing. After Waterloo he was in favour of a dissolution of the Chambers, but Napoleon had become hopeless and almost apathetic, while Lucien himself, from his former connection with the 18th and 19th Brumaire, was looked on with great distrust by the Chambers, as indeed he was by his brother. Advantage was taken of his Roman title to taunt him with not being a Frenchman; and all his efforts failed. At the end he fled, and failing to cross to England or to get to Rochefort, he reached Turin on the 12th of July only to find himself arrested. He remained there till the 15th of September, when he was allowed to go to Rome. There he was interned and carefully watched; indeed in 1817 the Pope had to intervene to prevent his removal to the north of Germany, so anxious were the Allies as to the safety of the puppet they had put on the throne of France.
The death of Napoleon in 1821 released Lucien and the Bonaparte family from the constant surveillance exercised over them till then. In 1830 he bought a property, the Croce del Biacco, near Bologna. The flight of the elder branch of the Bourbons from France in 1830 raised his hopes, and, as already said, he went to England in 1832 to meet Joseph and to plan some step for raising Napoleon ii. to the throne. The news of the death of his nephew dashed all the hopes of the family, and after staying in England for some time he returned to Italy, dying at Viterbo in 1840, and being buried at Canino, where also his second wife lies. Lucien had a taste for literature, and was the author of several works, which a kindly posterity will allow to die.