Former Owner
- House of Colonna1
- House of Liechtenstein1
- House of Neville1
- Howel Wills1
- Howell Wills1
- Hucks Gibbs, 1st Baron Aldenham1
- Ibrahim Sultan1
- Ibrāhīm al-Shakūrī1
- Ignatius Molitor1
- Institut für Orientalistik (Universität Wien)1
- Isabel de Bellusseau1
- Isabelle de Lévis1
- J. & J. Leighton1
- J. M. C. Armbruster (Firm)1
- J. Palmer1
- J. Techener1
- J. de Charron de Liancourt1
- J.B. Cartier1
- J.D. Moyreau1
- Jacob Henry Burn1