L'Aiglon is a play in six acts by Edmond Rostand based on the life of Napoleon II, who was the son of Emperor Napoleon I and his second wife, Empress Marie Louise. The title of the play comes from a nickname for Napoleon II, the French word for "eaglet" (a young eagle).The title role was created by Sarah Bernhardt in the play's premiere on 15 March 1900 at the Th tre Sarah Bernhardt. In October of the same year, the play (in an English translation by Louis N. Parker) premiered at New York's Knickerbocker Theatre, with Maude Adams in the title role.