Former Owner
- Bartholus Blancellus1
- Benediktinerinnenabtei St. Walburg1
- Bernardo Bembo1
- Charles William Dyson Perrins1
- Coppo family1
- Edward E. Ayer1
- Eugène Piot1
- Ezra Butler McCagg1
- Francesco Giovio1
- Francis Taylor Pearsons Plimpton1
- George Arthur Plimpton1
- George Dunn1
- George Venables-Vernon, 5th Baron Vernon1
- Gertrude Lueneburg Carrier1
- Giacomo Eugenio De Levis1
- Giampietro Campana1
- Giovanni Alessandro Brambilla1
- Giovanni Battista Niccolini1
- Henry Cestole1
- Henry Ellis Allen1