Frederica Murray, Countess of Mansfield (died 1860) (1774–1860) Parents Sarah Goddard William Markham Children Emily Seymour, Marchioness of Hertford unknown daughter Murray David Murray unknown daughter Murray unknown daughter Murray Lady Frederica Murray unknown daughter Murray William Murray, 4th Earl of Mansfield and Mansfield Charles John Murray Siblings Anne Katherine Markham Alicia Harrietts Markham Henrietta Sarah Markham Cecilia Markham Georgina Markham David Markham George Markham John Markham Osborne Markham Robert Markham William Markham Elizabeth Katherine Markham Partners David William Murray, 3rd Earl of Mansfield
