Former Owner
- Jean-Baptiste Denis Guyon de Sardière1
- Jean-Louis Girardin de Vauvré1
- Jeremiah Styles1
- Jeronimus Maelens1
- Johann Heinrich van Ess2
- Johann Michael Schiller1
- John Boykett Jarman1
- John Butlar1
- John C. Jackson1
- John Frederick Lewis45
- John Morgan1
- John Rolls, 1st Baron Llangattock1
- John Ruskin1
- John West, 1st Earl De La Warr1
- John Wright1
- Joseph Barrois1
- Katherine Somerset Wyttenbach Fenwick1
- Kloster Rebdorf1
- Lambertus Eerens1
- Laurent Campagne1