William Cavendish-Bentinck English politician, died 1909 (1854–1909) Parents Prudentia Penelope Leslie George Cavendish-Bentinck Children Mary Augusta Cavendish-Bentinck Ruth Evelyn Cavendish-Bentinck Siblings Christina Anne Jessica Cavendish-Bentinck Frederick Cavendish-Bentinck Venetia James Partners Elizabeth Livingston Cavendish-Bentinck