Eliza Compton, Marchioness of Northampton British noble (1815–1877) Parents Eliza Cecilia Ness George Elliot Children Lord Alwyne Compton William Compton, 5th Marquess of Northampton Lady Katrine Cecilia Compton Lady Margaret Georgiana Compton Lord Douglas James Cecil Compton Lady Alice Elizabeth Compton Charles John Spencer Compton, Earl Compton Lady Mabel Violet Isabel Compton Siblings Horatio Foley Elliot Alexander Elliot Georgiana Maria Elliot Cecilia Mary Elliot Catherine Frances Elliot George Elliot Gilbert John Elliot Frederick Boileau Elliot Partners William Compton, 4th Marquess of Northampton