Former Owner
- George Sidney Hellman1
- George Venables-Vernon, 5th Baron Vernon1
- George Winter1
- Georgius Ruch1
- Gerard of Csanád1
- Gerardus de Bois1
- Gertrude Leighton1
- Gilbert Ireland Blackburne1
- Giovan Battista Corbinello1
- Giovanni Angelo Altemps1
- Giovanni Battista Giovio1
- Giulio Saibante1
- Giuseppe Antonio Saccardini1
- Giuseppe Martini1
- Guilberto Broulin1
- Guillemette Bezard1
- H. P. Kraus (firm)1
- Hans Albrecht von Derschau1
- Harrold E. Gillingham1
- Hastings family1