Former Owner
- J. Martini1
- Jeanne Govro1
- Jivanji Jamshedji Modi1
- Joachim Guerrinus de Montefegatesio1
- John Boyd Thacher I1
- John Caryll1
- John Harvey Treat1
- John Henry Ellis1
- John Rolls, 1st Baron Llangattock1
- John William Harshberger1
- Joseph Pope1
- Leonello d'Este, Marquis of Ferrara1
- Louis H. Silver1
- Louis N. Cassett1
- Luigi Serra di Cassano1
- Lyon Cathedral1
- Maggs Bros Ltd1
- Manookjee Sorabjee Ashburner1
- Margaret of Croy1
- Marie-Caroline of Bourbon-Two Sicilies, Duchess of Berry1