In 1738, Pauline Félicité wrote to her elder sister, Louise Julie, the king's official mistress, asking to be invited to court. She received the invitation, and during her stay proceeded to seduce the king, who fell passionately in love with her. Pauline Félicité then became the second mistress of Louis XV, although her sister kept the official position of
maîtresse en titre. who departed to the country after their wedding. After the wedding, she was also given the post of designate
Dame du Palais (lady-in-waiting) to the future bride of the crown prince and 6000 livres; though the crown prince was not yet even married, this gave her an official place in the court hierarchy. The new marquise de Ventimille soon became pregnant by the king. Pauline Félicité was described as taller, louder and wittier than her older sister. her arrogance quickly made her hated within the court and by the public. Her period as
royal mistress was cut short; she died of
convulsions in 1741 while giving birth to a son. that he was called
Demi-Louis. He was raised by his aunt, Louise Julie but was legally acknowledged by his mother's husband. The king took care of his financial needs but never paid him much attention nor was he brought up at court. The Duke de Richeliue who was a close friend of Louis XV stated in his memoirs that the "King will never legitimized any of his illegitimate children as long as his wife Queen Marie Leszczyńska was still alive" out of respect to their once loving marriage, a principle which he uphold even after the death of his wife in 1768. Later,
Madame de Pompadour wanted to marry her daughter to him, but the king would not allow it. ==Depiction in fiction==