Name
- Cathcart, William Schaw, 1st Earl Cathcart, General2
- Caulaincourt, Armand Augustin Louis, Duc de Vicence, French diplomatist2
- Francis II and I, of Austria2
- Fremantle, Thomas Francis, Vice-Admiral GCB2
- Horn, Alexander, alias 'Maurus'; diplomatist2
- Johnson, John Mordaunt, diplomatist2
- Le-Poer Trench, Richard, 2nd Earl of Clancarty2
- Leopold II, Grand Duke of Tuscany2
- Liston, Robert, Ambassador to Turkey; GCB 18162
- Marie Annonciade Caroline, Queen Consort of Joachim Murat, King of Naples, 1782-18392
- Mills, George, of the Diplomatic Service; of Add MS 430742
- Napoleon I, Emperor of the French, 1769-18212
- Nugent, Lavall, Count Nugent, Austrian Field-Marshal 18492
- Oscar I, King of Sweden2
- Stewart, Robert, Viscount Castlereagh, 2nd Marquess of Londonderry, 1769-18222
- Vane, Charles William, formerly Stewart Baron Stewart 3rd Marquess of Londonderry2
- Winneburg, Clemens Wenzel Nepomuk Lothar, Austrian statesman, 1773-18592
- Abercromby, Ralph, 2nd Baron Dunfermline, diplomat, 1803-18681
- Alexander I, of Russia1
- Alexander, Alexander, claimant to the Earldom of Stirling, 1783-18591