Charenton Asylum was a French asylum in the 18th and 19th centuries.
After the Doll's House gave him a nervous breakdown, Shadow Directory agent Francesque Duquesne retired to Charenton Asylum. The Seventh Doctor visited him there. (PROSE: The Death of Art)
The Marquis de Sade was locked away in Charenton Asylum after and directed plays performed by the inmates. (PROSE: The Man in the Velvet Mask) Juliette Vierge visited him there and viewed a play in 1805 before she disappeared from history. (PROSE: The Adventuress of Henrietta Street) De Sade died in Charenton. (PROSE: The Man in the Velvet Mask)