Name
- Stuart, John, Viscount Mountstuart, 4th Earl (1792), and 1st Marquis (1796) of Bute3
- Caffarena, Joseph, Minister of Hesse-Cassel at Genoa2
- Victor Amadeus II, King of Sardinia2
- Aragon y Azlor Zapatar y Calatayud, Juan Pablo, Duque de villa Hermosa, Spanish Ambassador to Turin1
- Augustus Frederick, Duke of Sussex, 6th son of George III, 1773-18431
- Balbe, Count, correspondent of Lord Mountstuart, fl 17821
- Barlow, Thomas, correspondent of Lord Bute, fl 17961
- Barry, John, correspondent of Lord Bute, fl 17961
- Bellew, William, Lieutenant; RN1
- Bernardi, Giam Pietro1
- Bertorel, Luigi, ingeniere1
- Bonafide, Francesco1
- Bourbon, J- H-1
- Bourbon, Louis, Prince of Parma1
- Brander, Alexander1
- Brander, William1
- Breunet, Carl, Count, Imperial Ambassador at Turin1
- Burnett, Charles John, of Add MS 370841
- Carvalho, Diego Joseph1
- Casoni, Filippo, Archbishop of Pirgi; Papal Nuncio in Spain1