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The mansion, built in 1576 for Sébastien Valtier de Choiseul.S 1820 family owned this house Du Breuil de Saint-Germain: In 1923 the owner gave it to the Society of History and Archeology, so that there opened a museum. What was done - here now La Maison des Lumières Denis Diderot. CA, in the source 1905-1937.