Former Owner
- Georgius Ruch1
- Gerald Ephraim Hart1
- Gerard de Vismé1
- Gerard of Csanád1
- Gerardus de Bois1
- Germanus Langen1
- Gertrude Leighton1
- Giacinto della Torre1
- Giacomo Manzoni1
- Giampietro Campana1
- Gilbert Ireland Blackburne1
- Gilbert Talbot, 7th Earl of Shrewsbury1
- Gilberte le Gualès de Mézaubran1
- Gilhofer & Ranschburg, Vienna1
- Giovan Battista Corbinello1
- Giovanni Alessandro Brambilla1
- Giovanni Angelo Altemps1
- Giovanni Baldovinetti1
- Giovanni Battista Rota1
- Giovanni Colonna1