HH Prince Nicholas of Russia

HIH The Prince Napoléon

HI & RH Archduke Sigismund of Austria
Grand Duke of Tuscany

HRH Dom Duarte III of Portugal
Duke of Bragança

HRH Vittorio Emanuele IV of Savoy
Prince of Naples

HRH Crown Prince Nicholas Petrović-Njegoš of Montenegro

HRH Prince Don Carlo of the Two Sicilies
Duke of Castro

HH The Duke of Mecklenburg-Strelitz

HRH Prince Franz Wilhelm of Prussia

HRH Prince Dom Pedro of Orléans and Bragança

HRH Prince Amedeo of Savoy
Duke of Aosta

HRH Prince George Karadjordjević of Serbia