Name
- Charles Lodovic, Elector Palatine of the Rhine1
- Charles XI, of Sweden, 1655-16971
- Christian Albert, Duke of Holstein Gottorp1
- Cole, William, Provost of Enniskillen1
- Commonwealth, England1
- Conway, Edward, 2nd Viscount Conway and 2nd Viscount Killultagh, politician and book collector, 1594-16551
- Corbet, Miles, regicide1
- Courland, Family1
- Crichton, William, 1st Earl of Dumfries1
- Cromwell, Oliver, Lord Protector of England, Scotland and Ireland, 1599-1658, http://isni.org/isni/000000...1
- Cromwell, Thomas, 1st Earl of Ardglass1
- Devereux, Robert, 3rd Earl of Essex, parliamentarian army officer, 1591-16461
- Digby, George, 2nd Earl of Bristol, politician, 1612-16771
- Duchy of Brabant1
- Duckenfield, Robert, army commander and Parliamentarian, 1619-16891
- Dudley, Ambrose, Earl of Warwick, army officer and landowner, c 1530-1590, http://isni.org/isni/000000...1
- Dyve, Lewis, Knight, politician, army officer, commissioner and Governor of Sherborne Castle, 1599-16691
- Elizabeth I, Queen of England and Ireland, 1533-1603, http://isni.org/isni/000000...1
- Elphinston, John, 2nd Baron Balmerinoch1
- Eustace, Maurice, Lord Chancellor of Ireland1