Former Owner
- George Parker, 2nd Earl of Macclesfield1
- George Sidney Hellman1
- George Venables-Vernon, 5th Baron Vernon1
- George Winter1
- Georgius Ruch1
- Gerard Meerman1
- 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 Martini3
- Guglielmo Libri Carucci dalla Sommaja5
- Guilberto Broulin1
- Guillemette Bezard1
- Gustavo Camillo Galletti1