Former Owner
- Caesareum Societatis Jesu Collegium Viennense1
- Camilla Doria Pallavicini1
- Carl Alphons Geigy-Hagenbach1
- Carleton Rubira Richmond1
- Castelluci1
- Catherine de' Medici1
- Cecil Deedes1
- Charles Alexander de Cosson1
- Charles Coffin Little1
- Charles D. Humberd1
- Charles Edward Harris-St. John1
- Charles Joseph Harford1
- Charles Kothen1
- Charles Lormier1
- Charles Louis Adelaïde Henri Matheron Curnieu1
- Charles Marriette1
- Charles Seymour, 6th Duke of Somerset1
- Charles Stephen Ascherson1
- Charles-Adrien Picard1
- Charles-Gilbert Morel de Vindé1