About Casimir-Louis-Victurnien de Rochechouart de Mortemart
Casimir-Louis-Victurnien de Rochechouart de Mortemart (20 March 1787, Paris β 1 January 1875, Neauphle-le-Vieux), prince of Tonnay-Charente, then baron of Mortemart and of the Empire, 9th duke of Mortemart and peer of France (1814), was a French soldier, diplomat and politician.
In 1830 Charles X of France made him president of the Conseil des ministres.