Name
- Capponi, Filippo di Niccolò1
- Capponi, Gino, of Florence1
- Capponi, Luigi di Niccolò1
- Cardenas, Luis, Principe1
- Cecchi, Annibale, Colonel; Tuscan Artillery1
- Centini, Felice, Cardinal; Bishop of Macerata1
- Cesi, Pietro Donato, Cardinal1
- Chanut, Pierre, French diplomalist1
- Charles I, King of England, Scotland and Ireland, 1600-16491
- Cibo, Francesco Maria1
- Cintoletta, Curtius, Canon1
- Cioli, Andrea, Secretary of State of Tuscany1
- Clement VIII, Pope1
- Clement XII, Pope1
- Comines, Philippe, alias Commines; French historian1
- Commendone, Giovanni Francesco, Bishop of Zante, Cardinal 15631
- Concini, Cosimo, Tuscan Ambassador to France1
- Conrad III, Emperor of Germany1
- Corgna, Family1
- Court of Rome1