1911 - 1998 (87 years)
| Roy Carson Alvin Robertson | |
| B: | 4 Nov 1931 |
| Toronto, Ontario | |
| Ruth Carol Robertson 1933-1962 |
| Ruth Carol Robertson | |
| B: | 10 Mar 1933 |
| Toronto, Ontario | |
| D: | 5 May 1962 |
| Toronto, Ontario | |
| Bradley Jr. Ledger | |
| B: | Canada |
| D: | at birth |
| Margaret Emily White 1911-1998 |
| Margaret Emily White | |
| B: | 1 Mar 1911 |
| Toronto, York, Ontario | |
| D: | 17 Mar 1998 |
| Toronto, York, Ontario | |
 | Louis Alvin Robertson 1904-1949 |
| Louis Alvin Robertson | |
| B: | 19 Dec 1904 |
| Toronto, York, Ontario | |
| M: | 21 Mar 1931 |
| D: | 20 Feb 1949 |
| Toronto, York, Ontario | |
