Name
- Buwinckhausen a Wallmerodt, Benjamin1
- Buys, Paul, Advocate General of Holland1
- Calvert, George, 1st Baron Baltimore, 1580-1632, http://isni.org/isni/000000...1
- Campbell, Archibald, 4th Earl of Argyll1
- Campbell, Colin, 6th Earl of Argyll1
- Campeggio, Lorenzo, Archbishop of Bologna and Cardinal, d 15391
- Campion, Edmund, Saint, Jesuit and martyr, 1540-15811
- Cardona y Cordova, Antonio Fernandez, Duke of Sessa, Soma and Baena, Spanish Ambassador at Rome1
- Carew, George, 1st Baron Carew, Earl of Totness (1626)1
- Carey, George, 2nd Baron Hunsdon, diplomat, politician, and courtier, 1548-16031
- Carne, Edward, DCL, diplomatist1
- Carr, Robert, 1st Earl of Somerset, 1587-1645, http://isni.org/isni/000000...1
- Carvajal y Sande, Bernadino López de, cardinal, 1456-15231
- Castelnau, Jacques, Seigneur de Mauvissière, Baron de Joinville1
- Castile, Alfonso Xl, King of1
- Catesby, Robert1
- Cecil, Mildred, wife of the 1st Lord Burghley1
- Cecil, Thomas, 1st Earl of Exeter1
- Chapuys, Eustache, diplomat, 1490x92-1556, http://isni.org/isni/000000...1
- Charles I, King of Castile1