Another uncle, Charles-Alexandre de Hénin-Liétard d'Alsace, who was guillotined on charges of counter-revolutionary conspiracy during the French Revolution.

[2] Caraman distinguished himself early in his diplomatic career, traveling to the principal parts of Europe over the course of five to six years.

The title had been created in 1670 for his ancestor, Pierre-Paul Riquet, the engineer responsible for the construction of the Canal du Midi.

[2] Following the Bourbon Restoration, King Louis XVIII gave him back his rights in 1814, but not all his fortune.

[5] In 1816, he was named Ambassador to Vienna and was succeeded in Berlin by Charles François, Marquis de Bonnay.

Returning to France in 1828, he received the title of hereditary Duke of Caraman on 10 May 1830 by King Charles X.