Name
- Maria Carolina of Austria, Queen Consort of Ferdinand I of the Two Sicilies, 1752-181422
- Stewart, Robert, Viscount Castlereagh, 2nd Marquess of Londonderry, 1769-182212
- Bathurst, Henry, 3rd Earl Bathurst, politician, 1762-183411
- Somma, Tommaso di, Marchese di Circello, Neapolitan foreign minister9
- Hamilton, William Richard, antiquary and diplomatist8
- Ruffo, Fabrizio, Principe di Castelcicala; Neapolitan Ambassador in London8
- Vane, Charles William, formerly Stewart Baron Stewart 3rd Marquess of Londonderry7
- Bentinck, William Henry, army officer, diplomatist, and Governor-General of India, 1774-18396
- George IV, King of Great Britain and Ireland, 1762-18306
- Planta, Joseph, the younger, GCH, diplomatist and politician, 1787-18476
- Rolleston, Henry, of the Foreign Office6
- Beauharnais, Eugène, Prince of Eichstadt5
- Ferreri, Gioacchino, Sicilian Minister of Finance, fl 1814-18195
- Jablonowski, Ludwig, Prince, Austrian Envoy at Naples5
- Tommasi, Donato, Marchese; Neapolitan Minister of Justice5
- Walker, Richard, Vice-Consul at Naples5
- Winneburg, Clemens Wenzel Nepomuk Lothar, Austrian statesman, 1773-18595
- Avarna, Carlo, Duca di Gualtieri4
- George III, King of Great Britain and Ireland, 1738-18204
- Lushington, Henry, 2nd Baronet, Consul-General at Naples4