Most likely not. There's no indication that Adriana Lecouverier is based on a true story. It could just be a fictional creation to engage the audience.
Carmichael Manor is purely fictional. It was made up by the author for entertainment purposes and doesn't have any roots in actual happenings. The story and its elements are the product of imagination.
I don't think it is. There's no known historical or factual basis for the Carmichael Manor to be a real story. It's probably just the product of someone's imagination or creative writing.
Well, Carmichael Manor is typically not based on real events. It's more likely the product of someone's imagination or a fictional construct for a story or entertainment purpose.