Victor Cavendish-Bentinck, 9th Duke of Portland British diplomat (1897-1990) (1897–1990) Parents Ruth Cavendish Bentinck Frederick Cavendish-Bentinck Children Mary Jane Cavendish-Bentinck Barbara Cavendish-Bentinck Lord William James Cavendish-Bentinck Siblings Lady Barbara Cavendish-Bentinck Lucy Joan Cavendish-Bentinck George Augustus Frederick Cavendish-Bentinck Ferdinand Cavendish-Bentinck, 8th Duke of Portland Partners Clothilde Bruce Quigley Kathleen Elsie Barry
