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However, I think I might use the term: Roman à clef
"A roman à clef or roman à clé (French for "novel with a key") is a novel describing real life, behind a façade of fiction. The 'key' is usually a famous figure or, in some cases, the author." Wikipedia
In my mind, I know which parts are fiction, which are true. But it will be interesting to watch others try to decipher which is which. Or, in the case of my characters, who is who...