another. Principal members The historian Jane Ridley, writing in the Oxford Dictionary of National Biography lists the following as the principal members of the set: Edward, Prince of Wales Alexandra of Denmark Francis Knollys (Edward's private secretary) Louisa Cavendish, Duchess of Manchester (a mistress of the robes to Victoria dismissed in 1859 for "her tone, her love of admiration and 'fast style'"; together with her lover, Lord Hartington, and Edward they formed the so-called "innermost trinity" of London society for about 40 years from 1866) Arthur Ellis (an equerry to Edward) Lord Charles Beresford (an equerry to Edward) Heneage Finch, 7th Earl of Aylesford and his wife Edith (but see above) George Sutherland-Leveson-Gower, 3rd Duke of Sutherland Prince Louis of Battenberg Maria, Lady Ailesbury Charles Yorke, 5th Earl of Hardwicke Maurice de Hirsch Charles Hardinge Thomas Lipton Ernest Cassel Reginald Brett, 2nd Viscount Esher Alice Keppel (Edward's mistress from 1898) Mrs Willie James Mrs Naylor-Leyland Madame Murietta (a mistress of Edward's) French sub-set A small sub-set of members had significant connections to France and include: Mr and Mrs Standish , Princess of Sagan Gaston, Marquis de Galliffet Antonin-Just-Léon-Marie de Noailles, Duke de Mouchy and his wife Anne Murat Hamilton's list Others, in addition to those listed previously, are given in an 1891 diary entry by civil servant Edward Walter Hamilton: Archibald Acheson, 4th Earl of Gosford and his wife Louisa Acheson, Countess of Gosford Edward Stanley, 4th Baron Stanley of Alderley Consuelo Montagu, Duchess of Manchester Georgina Ward, Countess of Dudley Arthur Sassoon John Lister-Kaye Emily Yznaga Margaret Williams-Bulkeley and her daughter Mrs Benjamin Guinness Henry Sturt, 1st Baron Alington and his daughters Owen and Hwfa Sir Leslie Falkiner, seventh baronet Gerald FitzGerald, 5th Duke of Leinster and his wife Hermione Don Jose de Murietta William Gerard, 2nd Baron Gerard and his wife Mary Henry Oppenheim Lord Randolph Churchill and his wife Lady Randolph Churchill John and Frances Horner Henry Wellesley, 3rd Duke of Wellington Charles Vane-Tempest-Stewart, 6th Marquess of Londonderry and his wife Theresa Vane-Tempest-Stewart, Marchioness of Londonderry Frederick Robinson, 4th Earl de Grey and his wife Constance, Countess de Grey Francis Greville, Lord Brooke (husband of Daisy Greville) Lord Carrington Charles Harbord, 5th Baron Suffield (lord of the bedchamber to Edward) and his wife Cecilia Sir William Carrington Lord Algernon Gordon-Lennox Lord Hartington Oliver Montagu (an equerry to Edward and confidant of Princess Alexandra) J. C. Sykes Horace