| 1. Colin James Robert Williamson |
 |
| B: |
1 Nov 1961 |
| P: |
Ottawa, Carleton County, Ontario, Canada |
| D: |
25 Jun 2015 |
| P: |
Calgary, Calgary Census Division, Alberta, Canada |
|
| 2. Robert Dow "Bob" Williamson |
|
| B: |
9 Dec 1927 |
| P: |
Ottawa, Carleton County, Ontario, Canada |
| M: |
21 Mar 1958 |
| P: |
Ottawa, Carleton County, Ontario, Canada |
| D: |
6 Oct 2018 |
| P: |
Ottawa, Ottawa Municipality, Ontario, Canada |
|
| 4. Norman Moore Williamson |
|
| B: |
17 Jul 1898 |
| P: |
Carleton Place, Lanark County, Ontario, Canada |
| M: |
24 May 1924 |
| P: |
Ottawa, Carleton County, Ontario, Canada |
| D: |
8 Apr 1973 |
| P: |
Ottawa, Ottawa Municipality, Ontario, Canada |
|
| 8. James Williamson |
=> |
|
| B: |
20 Aug 1856 |
| P: |
Scotland |
| M: |
9 Sep 1891 |
| P: |
Lanark County, Ontario, Canada |
| D: |
25 Jun 1939 |
| P: |
Carleton Place, Lanark County, Ontario, Canada |
|
1961 - 2015 (53 years)
