Name
- Charles II, King of England, Scotland and Ireland, 1630-16851
- Charles VI, Holy Roman Emperor1
- Charles XI, of Sweden, 1655-16971
- Clarion, at Berne1
- Clignet, Nicholas, postmaster at Leyden1
- Coke, Thomas, Baron Lovell, 4th Earl of Leicester, 1880-19491
- Cole, C-, at Venice1
- Cole, of Add MS 385081
- Cologne, Archbishops Electors of. Maximilian Henry, Duke of Bavaria1
- Coloma y Escolano, Manuel, Spanish Envoy at the Hague1
- Compton, George, 4th Earl ofNorthampton1
- Compton, James, 5th Earl of Northampton1
- Cooke, Theodore1
- Corbière, Antoine1
- Cowper, William, 1st Earl Cowper, lawyer and politician, c 1665-17231
- Cradock, Edward, DD, Rector of St Mary Aldermary 1570-15941
- Crampricht, D- J-, Imperial Envoy at the Hague1
- Croy, Philippe Emmanuel Ferdinand François, Comte de Solre1
- Cunha, Luis da, Portuguese Plenipotentiary at Utrecht and Ambassador in England and France1
- Cunningham, Alexander, diplomatist1