Name
- Bourbon, Louis de, 1st Prince de Condé1
- Bouthillier, Léon, Comte de Chavigny, secretary of state to Louis XIII1
- Broccardo, —, Count diplomat1
- Caetani, Enrico, Cardinal1
- Caetano, Antonio, Bishop of Capua, Cardinal 16211
- Calderón, Rodrigo, Conde de Oliva, Marqués de las Siete Iglesias1
- Campeggi, Lorenzo, Bishop of Cesena, Bishop of Senigallia1
- Castracani, Alessandro, Bishop of Nicastro, Bishop of Fano, papal nuncio to Portugal 16341
- Catena, Girolamo, historian and member of the Sacra Consulta1
- Caylar de Saint Bonnet, Jean du, Marquis de Toirsa1
- Charles Emmanuel I, Duke of Savoy, 1562-1630, http://isni.org/isni/000000...1
- Charles I, King of England, Scotland and Ireland, 1600-16491
- Charles IX, King of France, 1550-15741
- Charles IX, of France, Catherine de Medici1
- Chigi, Fabio, Cardinal 1652, Pope Alexander VII 16551
- Ciampoli, Giovanni, Papal secretary and poet1
- Colombi, Girolamo, of Perugia1
- Commendone, Giovanni Francesco, Bishop of Zante, Cardinal 15631
- Conversini, Benedetto, Bishop of Jesi1
- Cordova, Gonzalo Fernandez de, Governor of Milan1