Duke of Talleyrand

As Minister of Foreign Affairs and Grand Chamberlain under Napoleon I, he received the title of Prince of Benevento in 1806.

At the time of the defeat of Napoleon in 1814, Talleyrand acted for the restoration of Louis XVIII and the establishment of a constitutional monarchy.

As compensation for his work, he received the title of Prince Talleyrand and a seat in the Chamber of Peers.

4th Duke (1898-1910): Charles William Frederick Boson of Talleyrand-Périgord (1832-1910), son of Louis de Talleyrand.

5th Duke (1910-1937): Marie Pierre Louis Hélie of Talleyrand-Périgord (1859-1937), son of Boson de Talleyrand.