Name
- Carruthers, Robert, of Inverness1
- Cavendish, William, Baron Ogle, Earl, Marquis, and 1st Duke of Newcastle1
- Cesi, Bartolomeo, Treasurer of the Pope, afterwards Cardinal1
- Chamberlaine, Family1
- Charles Emmanuel, Duke of Savoy, of Add MS 208481
- Charles I, Duke of Savoy1
- Charles III, Duke of Savoy1
- Charles V, Holy Roman Emperor, 1500-1558, http://isni.org/isni/000000...1
- Chorbinelli, Bartolomeo, of Florence1
- Ciurano, Benedetto1
- Clement VII, Pope, 1478-15341
- Clement VIII, Pope1
- Cromwell, Thomas, royal minister and Earl of Essex, ?1485-1540, http://isni.org/isni/000000...1
- Doria, Giovanni, called Giannettino, cardinal and Archbishop of Palermo, 1573-16421
- Ducali, Venice1
- Duchy of Ferrara1
- Duchy of Milan1
- Este, Ippolito II d', Cardinal of Ferrara, Archbishop of Milan1
- Este, Lucrezia, natural daughter of Ercole, Duke of Modena and Ferrara, wife of Annibale Bentivoglio1
- Ferdinand II, King of Aragon, called 'the Catholic', 1452-15161