Marcel Proust used Princess Alice as a model for one of his female characters, Princesse de Luxembourg. Proust had many models in society and in the demimonde. Recently Princess Alice was honored in New Orleans, her birthplace. What a stretch for a Proust character! Or is it?
Read about it here: Society Lineage Lives
By the way, in case you are interested in a Proust summary, not done by Monty Python (remember them?), Wikipedia does a decent job of describing the plot (such as it is) of Proust's great work.
Take a look. Wikipedia on In Search of Lost Time