Name
- Carafa, Pier Luigi, Bishop of Tricarico, Cardinal 16451
- Carbone, Ludovico, humanist scholar, 1430-14851
- Cardenas, Alonso, Spanish Ambassador in England1
- Cardoso de Sequeira, Martin1
- Cardozo, Sebastiao, Book-keeper of the Portuguese India House1
- Carneiro, Antonio, Portuguese Secretary of State1
- Carvalho de Parada, Antonio, Prior of Bucellas in Portugal1
- Castellobranco, Ferrao1
- Castillo, Diego Enriquez del1
- Castrillo, - di, Conte1
- Castro Sarmento, Jacob, Physician to the Portuguese Embassy in England1
- Castro y Quinnones, Pedro Baza, Archbishop of Granada1
- Castro, Diogo Ataide, Conde1
- Castro, Diogo, Conde de Basto, Viceroy of Portugal1
- Catherine of Portugal, wife of John, 6th Duke of Braganza, 1540-16141
- Catherine of Siena, Saint1
- Charles Emmanuel II, of Savoy1
- Charles Emmanuel, Duke of Savoy, of Add MS 208481
- Charles Louis, Elector Palatine of the Rhine, 1617-16801
- Chastelain, Georges, dit l'Adventureux1