Name
- Nesselrode, Charles Robert, Count, Russian statesman4
- Plasket, Richard, KCMG, fl 1817-18274
- Routh, W. E., Pro-Consul at Naples4
- Vallin, Routh and Valentine, Naples4
- Wellesley, Henry, 1st Baron Cowley, diplomat, 1773-18474
- Wood, George, of George Wood and Co., Palermo4
- Arbuthnot, Charles, diplomat and politician, 1767-18503
- Barker, William Wilton, British Pro-Consul at Messinia, 1769-18563
- Bourbon, Ferdinand VII, King of Spain, 1784-18333
- Campbell, James, Baronet 1818, Lieutenant-General; Governor of the Ionian Islands 1814-18163
- Church, Richard, Knight, army officer and philhellene, 1784-18733
- Dolce, Thomas, of Palermo, paymaster, fl 1815-18193
- Esterházy von Galántha, Paul Anton, Prince, Austrian ambassador in London3
- Fane, John, 11th Earl of Westmorland, diplomatist and composer, 1784-18593
- Filangieri, Carlo, Prince of Satriano, army officer and statesman, 1784-18673
- Gordon, Robert, Knight, diplomat, 1791-18473
- Hankey, Frederick, Colonel secretary to the Lord High Commissioner of the Ionian Islands, GCMG, 1774-18553
- Labrador, Pedro, Spanish Foreign Minister3
- Lushington, Stephen Rumbold, Secretary to the Treasury and (1827) Governor of Madras3
- Parke, John, Consul-General at Rome3