John Pratt, 1st Marquess Camden British politician (1759–1840) (1759–1840) Parents Elizabeth Jeffreys Charles Pratt, 1st Earl Camden Children Lady Caroline Pratt George Pratt, 2nd Marquess Camden Lady Georgiana Pratt Lady Frances Pratt Siblings Frances Stewart Lady Sarah Pratt Lady Elizabeth Pratt Lady Jane Pratt unknown daughter Pratt Partners Frances Molesworth
