Marie Antoinette many, leading to doubt as to the parentage of the child and to a noticeable decline of the queen's reputation in public opinion. The majority of Marie Antoinette's and Louis XVII's biographers believe that the young prince was the biological son of Louis XVI, including Stefan Zweig and Antonia Fraser, who believe that Fersen and Marie Antoinette were indeed romantically involved. Courtiers at Versailles noted in their diaries that the date of the child's conception in fact corresponded perfectly with a period when the king and the queen had spent much time together, but these details were ignored amid attacks
Marie Antoinette contested in the libelles. In the middle of the queen's pregnancy two events occurred which had profound impact on her later life: the return of her friend, the Swedish diplomat Count Axel von Fersen to Versailles for two years, and her brother's claim to the throne of Bavaria, contested by the Habsburg monarchy and Prussia. Marie Antoinette pleaded with her husband for the French to intercede on behalf of Austria. The Peace of Teschen, signed on 13 May 1779, ended the brief conflict, with the queen imposing French mediation at her mother's insistence and Austria's gaining a territory of at