Name
- Caetano, Enrico, Cardinal1
- Campo, Pedro Fernandez del1
- Caravantes, Mathias1
- Cardona y Cordova, Francisco Fernandez, Duke of Sessa, Soma and Baena1
- Cardona y Cordova, Luis, Duke of Sesa, Soma, Baena1
- Caro, Rodrigo, Visitor of the Diocese of Seville1
- Carrillo de Toledo, Luis, Marquis of Caraçena, President of the Council of the Military Orders of Spain1
- Castigni, Giovanni Battista, Cardinal1
- Castilla, Luis, Visitador of Milan1
- Castro y Andrade, Antonio1
- Castro, Diogo, Conde de Basto, Viceroy of Portugal1
- Castro, Francisco de, Conde de Castro Duque de Taurisano1
- Castro, Rodrigo, Cardinal1
- Cayas, Gabriel, Spanish Secretary of State1
- Charles II, Duke of Lorraine1
- Charles V, Holy Roman Emperor, 1500-1558, http://isni.org/isni/000000...1
- Charles, Archduke of Austria, Margrave of Burgau, son of the Archduke Ferdinand1
- Chumacero de Sotomayor, Visitor of the Council of the Exchequer1
- Clement VIII, Pope1
- Clemente, Hieronimo, Protonotario of Aragon1