1929 - 2008 (79 years)
| Robert Bruce Cockburn 1929-2008 |
| Robert Bruce Cockburn | |
| B: | 7 Mar 1929 |
| Devils Lake, Ramsey, North Dakota, USA | |
| D: | 28 Jul 2008 |
| Sedro-Woolley, Skagit, Washington, USA | |
 | Olivia Mae Twitchell 1930-2003 |
| Olivia Mae Twitchell | |
| B: | 10 Apr 1930 |
| Pinehurst, Snohomish, Washington, USA | |
| M: | 23 Jan 1953 |
| D: | 16 Dec 2003 |
| Sedro-Woolley, Skagit, Washington, USA | |
We make every effort to document our research. There is a lot of information that I do not have, and I know there are mistakes in this tree. My feelings will not be hurt if you give me corrections or additional information, especially if you can provide sources for the information.
