Former Owner
- Irene Ludwig2
- J. Martini2
- J. Meade Falkner2
- J. Paul Getty Museum2
- J. Techener2
- James & Mary Lee Tregaskis (Firm)2
- James C. Byrne2
- Johan Meerman2
- John Boyd Thacher I2
- John III of Portugal2
- John Lee2
- John Roland Abbey2
- John Wright2
- Joseph Pope2
- Josephine Widener Wichfield2
- Karl F. Morrison2
- Laurence William Hodson2
- Leonardo Lapiccirella2
- Lionel Tollemache, 4th Earl of Dysart2
- Llewelyn Lloyd-Mostyn, 3rd Baron Mostyn of Mostyn2