Source note

LONGUEVILLE, deputy under Charles X., son of an attorney, without authority placed the particle de before his name. M. Longueville was connected with the house of Palma, Werbrust & Co.; he was the father of Auguste, Maximilien and Clara; desired a peerage for himself and a minister's daughter for his elder son, who had an income of fifty thousand francs. [The Ball at Sceaux.]