Name
- Chavigny, Théodore, French Minister at the diet at Ratisbon, and in Italy, Spain, England, etc1
- Choiseul, Étienne François de, Duc de Choiseul1
- Châtre, Claude Louis, Duc de la1
- Cimiteli, Prince1
- Circello, Marchioness of1
- Clairembault, Philippe, Comte de Paluan1
- Clerc, Jacques Louis le, Marquis de Juigné1
- Clermont-Tonnère, Marie Anne, Marquise de1
- Clugny, Jean Etienne Bernard1
- Colbert, Jean-Baptiste, 1st Marquis de Seignelay, French politician, 1619-16831
- Colburn, Henry, of Add MS 159451
- Colnaghi, of Add MS 159451
- Contei, Antonio, Abbate1
- Cortance, Marquis de1
- Courcelle1
- Coutts, of Add MS 159451
- Coventry, Henry, Sec of State, 1619-16861
- Crawford, of Add MS 159451
- Croft, Herbert, Baronet1
- Croix, Charles Eugéne Gabriele de la, Marquis de Castries1