Charles was born on 7 March 1793 at Sunninghill in Berkshire, while his parents were in exile in England from the French Revolution.

His maternal grandparents were Victurnien-Jean-Baptiste Marie de Rochechouart, 9th Duke of Mortemart, and of the former Anne Catherine Gabrielle d'Harcourt.

[1] After the family returned to France, he entered the French army in 1810, during the Napoleonic Wars, becoming an officer of carabiniers, two years later, during the campaign against Russia.

[2] In 1827 he acquired the Château de Sainte-Assise and used his fortune to restore the estate, which had been divided up during the French Revolution.

Together, they were the parents of two daughters: The Duke died at his residence, the Hôtel de Beauvau, in the 8th arrondissement of Paris on 14 March 1864.