Former Owner
- Luigi Serra di Cassano1
- Lyon Cathedral1
- Maggs Bros Ltd1
- Margaret of Croy1
- Mary Schell Collins1
- Mary Talbot, Countess of Shrewsbury1
- Matteo Luigi Canonici1
- Michel de Léon1
- Mortimer Loeb Schiff1
- Morton Davis Mitchell1
- Muriel Agnes Fry1
- Orlandus de Fatiis1
- Otto Ege1
- Paolo Vimercati Sozzi1
- Paul Riant1
- Paul de Berthou1
- Peter Ludwig1
- Petrus Giraud1
- Philip Kerr, 11th Marquess of Lothian1
- Pius XI1