Name
- Chumacero de Sotomayor, Visitor of the Council of the Exchequer1
- Clement VIII, Pope1
- Clemente, Hieronimo, Protonotario of Aragon1
- Cologne, Archbishop Elector of. Ernest, Duke of Bavaria1
- Colonna, Family1
- Colonna, Marc Antonio, Duke of Pagliano, Viceroy of Sicily1
- Commonwealth, England1
- Cornelius Tacitus, Gaius, Roman historian, c 55-after 1171
- Court of Rome1
- Coutinho, Joao, Conde de Redondo, Viceroy of India1
- Coutinho, Marquis1
- Couto, Diogo do, Chronista e guarda mór da torre do Tombo da India1
- Cunha, Juseppe da1
- Cunha, Nuno da, Governor of the Portuguese Indies1
- Delanges, Giuseppe Estienne, Deputy of Marseilles and correspondent of Pietro la Rocca, fl 15941
- Deza, Pedro, cardinal, inquisitor, Bishop of Albano and president of Granada, 1520-16001
- Diaz, Froylan, confessor to King Charles II of Spain, fl 1698-16991
- Doria, Antonio, naval officer and diplomat, c 1495-?15771
- Dovara, Luigi, correspondent of Antonio Fernandez de Cardona y Cordova, Duke of Sessa, fl 15921
- Duchy of Ferrara1