 Her qualities were portrayed in literature when Lady Rosebery was reputed to be the model for Marcella Maxwell in Mrs <unk> Ward 's novels Marcella ( 1894 ) and Sir George <unk> ( 1909 ) . The author lived at <unk> close to Lady Rosebery 's home at Mentmore and would certainly have known her , while in the books Marcella 's house is based on Hampden House , also in Buckinghamshire . 
