Former Owner
- Llewelyn Lloyd-Mostyn, 3rd Baron Mostyn of Mostyn1
- Louis Loewe1
- Louis XII of France1
- Maggs Bros Ltd1
- Marco da Bologna1
- Marvin-L. Colker1
- Mayer Sulzberger1
- Meschatin La Faye family1
- Michael Tomkinson1
- Mikhail Golitsyn1
- Otto Vollbehr1
- Pius XI1
- Richard Halter1
- Richard Heber1
- Richard Rich1
- Richard Wroe1
- Robert Brodhead Honeyman1
- Robert Garrett1
- Robert Hoe III1
- Royaumont Abbey1