William Cavendish-Bentinck, 6th Duke of Portland Duke of Portland (1857-1943) (1857–1943) Parents Elizabeth Sophia Hawkins-Whitshed Arthur Cavendish-Bentinck Children Victoria Cavendish-Bentinck Lord Francis Cavendish-Bentinck William Cavendish-Bentinck, 7th Duke of Portland Siblings Lord William Augustus Cavendish-Bentinck Lord Henry Cavendish-Bentinck Lady Ottoline Morrell Lord Charles Cavendish-Bentinck Partners Winifred Cavendish-Bentinck, Duchess of Portland
