Peter Cunningham, The Story of Nell Gwyn — Appendix B. (1852)
“ One of their three daughters was the Countess of Stafford, described by Lord Hervey in his Memoirs, as "an old French lady, daughter of the famous Count de Grammont, who had as much wit, humour, and entertainment in her as any man or woman I ever knew, with a great justness in her way of thinking, and very little reserve in her manner of giving her opinion of things and people." ”
