Former Owner
- Riddagshausen Abbey1
- Rinaldo Ridolfini1
- Robert Branthwait1
- Robert Charles Winthrop1
- Robert Churchill1
- Robert Dechert1
- Robert Devereux, 2nd Earl of Essex1
- Robert Elyot1
- Robert Forrer1
- Robert Fyncham1
- Robert H. Sayre1
- Robert Lyle1
- Robert Mignan1
- Robert Neville1
- Robert Ranshaw1
- Robert S. Pirie1
- Robert Stayner Holford1
- Robert Wyer1
- Robert de Mol1
- Robson & Kerslake1