According to legend, the “Brown Lady of Raynham Hall” is the ghost of Lady Dorothy Walpole (1686–1726), the sister of Robert Walpole, generally regarded as the first Prime Minister of Great Britain. She was the second wife of Charles Townshend, who was notorious for his violent temper. The story says that when Townshend discovered that his wife had committed adultery with Lord Wharton he punished her by locking her in her rooms in the family home, Raynham Hall. According to Mary Wortley Montagu, Dorothy was in fact entrapped by the Countess of Wharton. She invited Dorothy over to stay for...