Former Owner
- Mary Schell Collins1
- Mary Talbot, Countess of Shrewsbury1
- Michel de Léon1
- Moissac Abbey1
- Mortimer Loeb Schiff1
- Morton Davis Mitchell1
- Muriel Agnes Fry1
- Nathaniel Sherman Bouton1
- Newman F. McGirr1
- Orlandus de Fatiis1
- Otto Ege1
- P. Pigeot1
- Paul Riant1
- Peter Ludwig1
- Petrus Giraud1
- Philip Kerr, 11th Marquess of Lothian1
- Pius XI1
- Prince Augustus Frederick, Duke of Sussex1
- R. J. Bunck1
- Robert Hoe III1