1873 - 1949 (75 years)
| Richard Sidney GUINNESS 1873-1949 |
| Richard Sidney GUINNESS | |
| B: | 4 Mar 1873 |
| Donnybrook Parish, Dublin, Ireland | |
| D: | 14 Jan 1949 |
| London, London, England | |
 | Ursula Frances Rose TREMAYNE 1891-1979 |
| Ursula Frances Rose TREMAYNE | |
| B: | 18 Jul 1891 |
| Mylor, Cornwall, England | |
| M: | 1943 |
| London, London, England | |
| D: | 28 Sep 1979 |
| London, London, England | |
