Former Owner
- Charles Spencer, 3rd Duke of Marlborough1
- Charles Spencer, 3rd Earl of Sunderland1
- Charles Thomas-Stanford1
- Charles V of France1
- Charles V. Wheeler1
- Chartreuse de Montrieux-le-Vieux1
- Coella Lindsay Ricketts2
- Comte Chandon de Briailles1
- Cornelius John Hauck1
- Cortlandt F. Bishop1
- Couvent des pères Franciscains (Monte-Carlo, Monaco)1
- César de Missy1
- D. D. Horatius Bosner1
- Dana Hill1
- Diego Alphonso1
- Dorothy Abbe1
- Edmunde Mulse1
- Edward Herbert, 1st Baron Herbert of Cherbury1
- Edward Sandford Burgess1
- Edward T. Ross1