Name
- Churchill, Sarah, wife of John 1st Duke of Marlborough1
- Churchy, Walter, of Brecon1
- Clapham, John, of Gray's Inn1
- Claris, Louis Philippe, Marquis de Laverne, of Council of War of Low Countries1
- Claros de Guzman y Cordoba, Juan, Duque de Medina Sidonia, Viceroy of Catalonia1
- Clinckauström, alias Klinckowström; Hanoverian major-general1
- Cobrisse, Charles Eugene, Principal of Chamber of Accounts of Flanders1
- Cohen, Juda, alias Coen; Envoy of Algiers, Tunis and Tripoli at The Hague1
- Colbert de Torcy, Jean-Baptiste, Marquis, French diplomat, 1665-17461
- Colombière, Anthony, alias Du Colombier alias Colombier al. Coulombiere; Colonel of 8th Foot1
- Coste, Marguerite de Guil, wife of Treasurer of Principality of Orange1
- Cotton, Robert Bruce, first baronet, antiquary and politician, 22 Jan 1571-6 May 1631, http://isni.org/isni/000000...1
- Coullez, Alexandre, Pastor of French Church at Halle1
- Courthuy, née Carteret; Baronne de1
- Cox, Richard, 1st Baronet1
- Croix, Madeleine Françoise de Fiennes, widow of Alexandre, Marquis d'Heuchin1
- Czobor, Maximilian Adam, Count, alias Zobor; Imperial courtier1
- David, Claude, engraver and sculptor, 1650-17221
- Davis, Richard, trustee of the English Church at Rotterdam, fl 1704-17071
- Dietrich, Daniel, attorney and correspondent of the Duke of Marlborough, fl 17061