Former Owner
- Charles Sumner2
- Charles-Gilbert Morel de Vindé2
- Cologne Charterhouse2
- Edmund Waterton2
- Ernst Schulz2
- Esther Bradford Aresty2
- Francesco Giovio2
- Francis Campbell Macauley2
- Georg Kloss2
- George Herbert, 4th Earl of Powis2
- Gerard Meerman2
- Giannalisa Feltrinelli2
- Girolamo d'Adda2
- Grenville Kane2
- Harry Creswick2
- Henry Ellis Allen2
- Henry Stevens2
- Henry White2
- Henry Wyndham, 2nd Baron Leconfield2
- James C. Byrne2