Madame Sophie and her sister Louise were allowed to return to the court of Versailles in 1750, two years after Victoire. While their education had been neglected in the convent, they reportedly compensated for this and studied extensively after their return to court, encouraged by their brother, with whom they immediately formed a close attachment: "When Mesdames, still very young, returned to Court, they enjoyed the friendship of Monseigneur the Dauphin, and profited by his advice. They devoted themselves ardently to study, and gave up almost the whole of their time to it; they enabled themselves to write French correctly, and acquired a good knowledge of history. Italian, English, the higher branches of mathematics, turning and dialing, filled up in succession their leisure moments." The King referred to them by nicknames: he called Madame Adelaide 'Logue' Madame Victoire 'Coche' [Piggy, Madame Sophie, 'Graille' and Madame Louise, 'Chiffie' [Rubbish.