Arthur Cavendish-Bentinck (1819-1877) (1819–1877) Parents Anne Wellesley Lord Charles Bentinck Children Lord Henry Cavendish-Bentinck Lord Charles Cavendish-Bentinck William Cavendish-Bentinck, 6th Duke of Portland Lady Ottoline Morrell Lord William Augustus Cavendish-Bentinck Siblings Charles Cavendish-Bentinck Emily Cavendish-Bentinck Anne Hyacinthe Cavendish-Bentinck unknown daughter Cavendish-Bentinck Georgina Cavendish-Bentinck Partners Augusta Browne, 1st Baroness Bolsover Elizabeth Sophia Hawkins-Whitshed
