Lady Margaret Harriet Cavendish-Scott-Bentinck (1798-1882) (1798–1882) Parents Henrietta Bentinck, Duchess of Portland William Bentinck, 4th Duke of Portland Children Siblings William Cavendish-Scott-Bentinck, 5th Duke of Portland unknown daughter Cavendish-Scott-Bentinck William Cavendish-Scott-Bentinck, Marquess of Titchfield Lady Lucy Scott-Bentinck Lord Henry Bentinck Lord George Bentinck Lady Charlotte Scott-Bentinck Lady Mary Scott-Bentinck