Former Owner
- Nicolas Antoine Labbey de Billy1
- Noël Pinelli1
- Oswald Carl Friedrich von Seilern und Aspang1
- Otto Jahn1
- Paolo Vimercati Sozzi1
- Paul Riant1
- Peretz ben Yehuda Mintz Ashkenazi1
- Peter Le Neve1
- Peter Ludwig1
- Phoebe Hearst1
- Piero Ginori Conti1
- Pierre Fraenkel1
- Pietro Giuseppe Ignati Mattei Cattochii1
- Pietro Millini1
- Prince Augustus Frederick, Duke of Sussex1
- R. F. Pain1
- Rafael Gomes1
- Raphael Nathan Nata Rabinowitz1
- Richard Ashurst Bowie1
- Robert Brodhead Honeyman1