No. The heads of the house have styled themselves the Prince Napoléon but cadets of the house have a civil name and then also the title of French prince. Typically, the title of prince preceded their forename. The civil name of the imperial house has variously been Bonaparte, Napoléon, and Napoléon-Bonaparte… I can’t remember what the particular order was. There was a dispute between Louis (1914-97) and his son Charles (b. 1950) regarding the civil name of the house.
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