- Carretto, Geronimo del1
- Carretto, Giovanni del1
- Carretto, Paolo del1
- Catholic Church. Archdiocese of Siena (Italy)1
- Celleri, Azzo1
- Celleri, Fabrizio1
- Celleri, Ippolita1
- Chiesa di San Michele Visdomini (Florence, Italy)1
- Chiesa di Sant'Antonio da Padova (Palermo, Italy)1
- Civil law1
- Cocchi Donati, Antonio1
- Cocchi Donati, Piera1
- Cosimo I, Grand-Duke of Tuscany, 1519-15741
- Cosimo II, Grand Duke of Tuscany, 1590-16211
- Cosimo III, Grand-Duke of Tuscany, 1642-17231
- Detrini, Bartolomeo1
- Doti, Domenico1
- Dowry1
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- Europe--Papal States1