Name
- Björnsterna, Magnus Frederik Ferdinand, Count, Swedish Minister in London1
- Bludov, Dmitry Nikolaevich, Count, Russian statesman1
- Bobrinskoi, Anna Vladimirovna, Countess1
- Borgo, Carlo Andrea al Charles André, Count, Corsican noble, diplomatist in Russian service, 1768-18421
- Borough, Anna Maria, wife of Sir R Borough, 1st Baronet1
- Bourbon, Louis Joseph, Prince de Condé, of Add MS 472871
- Bourbon, Marie Thérèrse Charlotte, Princess of France, daughter of Louis XVI and wife of Louis Antoine de Bourbon, Duc d'Angoulême1
- Bourcard, John R., Prussian Vice-Consul in London1
- Bourke, Maria Assunta Leonida, wife of Count E Bourke, Danish Ambassador in London1
- Brahe, H., Swedish official1
- Brazil, Emperor of. Pedro I1
- Brent, William Brent, barrister; steward of Marshalsea and Palace Courts1
- Bret Bros, wine merchants, Paris1
- Brinkman, Carl Gustaf, Baron, Swedish diplomatist1
- Broglie, Françoise Louise Angélique, wife of Auguste Joseph de Broglie, Prince de Revel1
- Brown, Samuel, Commander; RN; KH 18351
- Brugière, Amable Guillaume Prosper, Baron de Barante, statesman and historian, 1782-18661
- Brunnow, Ernst, Major; of Dresden1
- Budberg, Andrei Yakovlevich, Baron, Russian statesman1
- Bukhvostov, Petr, Russian army officer1