Lucy Joan Cavendish-Bentinck (died 1971) (d. 1971) Parents Frederick Cavendish-Bentinck Ruth Cavendish Bentinck Children Joseph Hoare Siblings Lady Barbara Cavendish-Bentinck Victor Cavendish-Bentinck, 9th Duke of Portland George Augustus Frederick Cavendish-Bentinck Ferdinand Cavendish-Bentinck, 8th Duke of Portland Partners Reginald Hoare