Elizabeth Dorothy Cavendish d.1904 (d. 1904) Parents Elizabeth Maria Margaret Hart Hon. Richard Cavendish Children Sir William John Smith-Marriott, 6th Bt. Sir John Richard Wyldbore Smith-Marriott, 7th Bt. Dorothea Anna Smith-Marriott Mabel Alice Smith-Marriott Siblings Marianne Cavendish Catherine Elizabeth Cavendish unknown daughter Cavendish Charles Tyrell Cavendish William Thomas Cavendish Cecilia Augusta Cavendish unknown son Cavendish Emily Maria Georgiana Cavendish Partners Sir William Henry Marriott Smith-Marriott, 5th Bt.