Under the French Consulate, she sold it to the businessmen Delannoy and Vandenberghe who rented it as a secondary residence to Talleyrand (who held magnificent fêtes there) before selling it to Murat at the start of 1804.
[3] On 16 July 1819, the estate was acquired by the duc d'Orléans, the future Louis-Philippe I, in exchange for écuries called "de Chartres", situated on rue Saint-Thomas du Louvre, which he owned.
He also expanded the estate by acquiring 7 islets in the middle of the Seine and linking them to the château by an iron-wire bridge so as to be able to reach the island now known as the île d'Amour (Isle of Love).
[1] The House of Orléans especially liked the château de Neuilly, using it as their summer residence – with its long, low buildings, it provided a discretion suitable to this bourgeoise monarchy.
[4] Confiscated by Napoleon III in 1852 with the goods of the House of Orléans, the parc was divided into 700 lots which, after the creation of seven 30 metre-wide boulevards and nine streets limited to 15 metres wide, were sold in successive auctions from 1854.