Ruth Cavendish Bentinck British suffragist and socialist (1867–1953) Parents Rosina Elizabeth Swan Ferdinand Seymour, Earl St. Maur Children Ferdinand Cavendish-Bentinck, 8th Duke of Portland Lucy Joan Cavendish-Bentinck Lady Barbara Cavendish-Bentinck Victor Cavendish-Bentinck, 9th Duke of Portland George Augustus Frederick Cavendish-Bentinck Siblings Harold St. Maur Partners Frederick Cavendish-Bentinck
