[1] When he was eleven, his father was killed in a duel and at age fifteen, de Coigny entered the musketeers.

[2] De Coigny first served in the Seven Years' War where as a cavalry general he took part in the conquest of Hanover.

He commanded the Maison du Roi until its disbandment in 1792, after which he was charged by the Count of Provence with several diplomatic missions.

De Coigny entered Portuguese service thereafter and, following the abdication of Napoleon, ultimately returned to France.

[3] Following hard on the heels of the Teste–Cubières political corruption scandal revealed in May 1847, the affair only added to the popular discontent with the July Monarchy which culminated in the French Revolution of 1848.