Name
- Guidobaldo II, Duke of Urbino[remove]2
- Philip II, King of Spain; King of Naples and Sicily, 1527-15982
- Archbishopric of Toledo1
- Bogusz, Johannes, Castellanus Czecoviensis1
- Bonelli, Michele, Cardinal1
- Braganza, Theodosios II., Duke of Braganza1
- Caetani, Niccolo, Cardinal, 1526-15851
- Capilupi, Ippolito, of Mantua, Bishop of Fano1
- Cardona y Cordova, Antonio Fernandez, Duke of Sessa, Soma and Baena, Spanish Ambassador at Rome1
- Charles II, Duke of Lorraine1
- Charles IX, King of France, 1550-15741
- Charles V, Holy Roman Emperor, 1500-15581
- Charles, Prince of Sweden1
- Cologne, Archbishop Elector of. Ernest, Duke of Bavaria1
- Cosmo de' Medici, Grand Duke of Tuscany1
- Delanges, Giuseppe Estienne, Deputy of Marseilles and correspondent of Pietro la Rocca, fl 15941
- Doria, Antonio, naval officer and diplomat, c 1495-?15771
- Dovara, Luigi, correspondent of Antonio Fernandez de Cardona y Cordova, Duke of Sessa, fl 15921
- Duperron, Jacques, politician, bishop and cardinal, 1556-16181
- Echius, Johannes, Ducis Bavariæ Cancellarius1