So apparently Napoleon III is actually legitimate (sort of) but
File:Napoleon III, Vanity Fair, 1869-09-04.jpg - Wikipedia
Virginia Oldoïni, Countess of Castiglione, Mistress of Emperor
File:Napoleon III Eugenie.jpg - Wikipedia
Napoleon III - Wikipedia
File:Napoleon III by Mayer & Pierson c1860 (cropped).png
Napoleon III - Wikipedia
File:Appartements Napoléon III 4.jpg - Wikipedia
Napoleon III - Wikipedia
File:Napoléon III et son fils.jpg - Wikipedia