Étienne-Léon de Lamothe-Langon (1786-1864) was the author of numerous novels belonging to different genres. However, if he wasn’t completely forgotten by end 19th and beginning 20th c., it thanks a long list apocryphal memoirs attributed famous people which in fact wrote himself. At first, this paper shows reactions from press 1829 after publication Mémoires d’une femme qualité sur Louis XVIII ...