People Lady Rachel Cavendish peoplepill id: lady-rachel-cavendish-1LRC 1 views today 4 views this weekD. 1805Lady Rachel CavendishBiographyAlso ViewedThe basicsQuick FactsIntroD. 1805GenderFemaleDeath8 May 1805 People who died on this dayFamilyMother:Catherine HoskinsFather:William Cavendish, 3rd Duke of DevonshireChildren:Horatio Walpole, 2nd Earl of Orford Lady Mary Walpole George WalpoleListsLady Rachel Cavendish is in following lists comments so far.CommentsLady Rachel Cavendish