Former Owner
- Luigi Celotti1
- Otto Jahn1
- Otto Vollbehr1
- Peter Ludwig1
- Piero Ginori Conti1
- Pius VI1
- Prediger (Schwäbisch Gmünd)1
- Prince Augustus Frederick, Duke of Sussex1
- Prospero Caffarelli1
- Richard Heber1
- Richard McKeon1
- Robert Brodhead Honeyman1
- Robert Hoe III1
- Robert Samuel Turner1
- Rudolphus Rasser Donatus1
- Samuel H. Putnam1
- Santi Giovanni e Paolo1
- Sebastiano Calvi1
- Silvester Cattaneus1
- Sion Segre Amar1