His father became rich thanks to his part in founding the compagnie des mines d'Anzin and was ennobled around 1750 as marquis de Villedeuil .
His father is the engineer Pierre - Joseph Laurent .
His father , the engineer Pierre - Joseph Laurent , became rich thanks to his part in founding the compagnie des mines d'Anzin and was ennobled around 1750 as marquis de Villedeuil .