Author 'Nicoledesplat' (Id 122336 ) : : 4: Yvelines (78): France Miniature, the Château de Breteuil, built under Henry IV, since 1712 it belongs to the same family: the Marquis de Breteuil, whose family counts among its most illustrious ancestors Emilie de Breteuil, Marquise du Châtelet (1706-1749), great friend of Voltaire. Today the castle is beautifully furnished, and the visit is led by a fifty character Grevin wax museum, including Marcel Proust, one of the great figures of the art world. 3: