[4] Pérusse des Cars served in the French Navy before he joined the Army and was appointed Maître de camp (equivalent to Colonel) of the Dragoons-Artois regiment in 1774.

[2] He was created Lieutenant-General of the Armies on 22 June 1814 and Premier Maître d'hôtel du Roi to King Louis XVIII of France on 23 August 1814.

Before her death in 1792, they were the parents of a daughter, Euphrasie Françoise Joséphine de Pérusse des Cars, who was born in Paris in 1787.

The Duke of Cars died on 10 November 1822 at Tuileries Palace in Paris without male issue.

In 1825, the title was renewed on behalf of Amédée-François-Régis de Perusse des Cars, the son of the Duke's first cousin.