Former Owner
- George W. Fitzwilliam1
- Georges Gendreau1
- Gerard de Vismé1
- Germanus Langen1
- Giacomo Soranzo1
- Giannalisa Feltrinelli1
- Gilbert Ireland Blackburne1
- Gilberte le Gualès de Mézaubran1
- Giovan Pietro Arrivabene1
- Giovanni Dominico Fabbris1
- Giovanni Saibanti1
- Giovanni de Marco1
- Giuseppe Franchini1
- Giusto Venier1
- Gladbach Abbey1
- Gladys Freeman1
- Godefroy Honore1
- Gonthaut-Saint-Blanchard family1
- Gotha Research Library1
- Great St. Martin Church1