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The Pays George Sand site
@Clara Burnett refers to as the place to lodge complaints about filth at Lalande, also has a list of
eight chateaux in Jarvis' immediate locale.
I am unaware she has visited a single one.
One reason may be their owners are private, hard-working French people, not fake, jet setters.
Chateau du Breuil Yvain is a 13th-19th c chateau compound owned for 20 years by a Parisian international lawyer. It's 20 minutes from Lalande. Which clearly is not in the middle of nowhere. He and his family do all the work of restoration and maintenance. Jarvis wouldn't be caught dead there. Nor, very likely, would she be invited.