James Parton, a biographer of Aaron Burr, published an account in the 19th century, after all of the principal actors had died, implying that Peggy Shippen Arnold had manipulated or persuaded Benedict to change sides. The basis for the claim was interviews that Burr conducted with Theodosia Prevost, the widow of Jacques Marcus Prevost who later married Burr, and notes later made by Burr. While en route to Philadelphia from West Point in 1780, Peggy Shippen Arnold visited with Prevost at Paramus, New Jersey. According to Parton, she unburdened herself to Prevost, claiming that she "was heartily tired of all the theatricals she was exhibiting", referring to her histrionics at West Point. According to Burr's notes, Shippen Arnold "was disgusted with the American cause" and "through unceasing perseverance, she had ultimately brought the general into an arrangement to surrender West Point".