Margaret Cavendish Bentinck, Duchess of Portland
British aristocrat, naturalist, botanist, and collector (1715-1785)
Edward Harley, 2nd Earl of Oxford and Earl Mortimer
Henrietta Harley, Countess of Oxford and Countess Mortimer
William Cavendish-Bentinck, 3rd Duke of Portland
Lady Margaret Cavendish-Harley, Duchess of Portland (1715-1785)