The setting is an 18th-century aristocrat’s town house with a magnificent garden in back. The collection displayed here includes the paintings of Jean-Honoré Fragonard, who was born in Grasse in 1732; his sister-in-law, Marguerite Gérard; his son, Alexandre; and his grandson, Théophile. Alexandre decorated the grand staircase. Curiously, this is the least-visited museum in town but is surely one of the loveliest.