Former Owner
- Anne of Brittany1
- Antoine Lagnier1
- Artemesia Piccolomini1
- Arthur Brölemann1
- Athelstan Riley1
- Benediktinerinnenabtei St. Walburg1
- Charles Brodrick1
- Charles Sessler1
- Charles Sumner1
- Christian Gottlieb Schwarz1
- Clarence Howard Clark, Sr.1
- Claude Le Muet1
- Cologne Charterhouse1
- Dionysiĭ Vasilevich1
- Edmund Newman1
- Edward Alexander Parsons1
- Edwin H. Fetterolf1
- Ernst F. Detterer1
- Ethel Adela Harding1
- Franciscus Faverjon1