"Marthe, Princess Bibesco, French version of Marta Bibescu (January 28, 1886, Bucharest-November 28, 1973, Paris), née Marta Lucia or Marthe Lucie Lahovary (also spelled Lahovari), great Romanian writer." From True Romania. (http://surprising-romania.blogspot.com.es/2009/04/marthe-princess-bibesco.html)
Gabrielle Réjane was the stage name of Gabrielle-Charlotte Reju, (June 5, 1856 – June 14, 1920), a French actress. She opened the Théâtre Réjane in Paris in 1906. Along with her great rival, Sarah Bernhardt, she served as the model for the character of the actress Berma in Marcel Proust's novel In Search of Lost Time (A la Recherche du Temps Perdu).
Louisa de Mornand: Actress and mistress of Proust's friends, Bertrand Fenelon and Louis d'Albufera. She was of the models for "Rachel." Wiliam C. Carter's biography "Marcel Proust: A Life." (http://films7.com/7/top/1?page=40)