Once she was installed in the palace, near the Queen's apartments, Gabrielle also won the friendship of the King's youngest brother, the comte d'Artois, and the approval of King Louis XVI himself, who was grateful for her calming influence on his wife and encouraged their friendship. Gabrielle was, however, resented by other members of the royal entourage, particularly the Queen's confessor and her chief political adviser, the Austrian ambassador. In a letter to the Queen's mother, Empress Maria Theresa of Austria, the ambassador wrote, "It is almost unexampled that in so short a time, the royal favour should have brought such overwhelming advantages to a family."