The treatment was the same with the sole exception that with the eldest, it was not necessary to add the first name, and the simple appellation "Madame" sufficed to designate her.
The appellation of "Mesdames" remained in history because of particular genealogical, political, and strategic circumstances that caused many of the eight daughters that Louis XV had with Marie Leszczynska to remain at the French court, including: To economise on their maintenance at court, and to prevent the queen (to whom a large, allied brood would give comfort) from having too much influence, the last four of the princesses were raised far from the court, at Poitou in the Fontevraud Abbey from 1738 to 1750, where they passed their formative years before returning to Versailles.
[citation needed] Madame Adélaïde owed her maintenance at Versailles to her wishes and her successful request to remain near the king, whom she knew how to influence.
Mesdames, together with the Dauphin, sustained a long battle against the successive mistresses of their father, particularly Madame de Pompadour, who they called amongst themselves "Maman putain" (Mama Whore).
Upon the accession to the throne of her nephew, she cherished the hope of exercising an influence over him but was soon forced to realize that he would not give her the role she wished.