1884 - 1974 (89 år)
 | Thomas R Knudson 1909-1974 |
| Thomas R Knudson | |
| F: | 1909 |
| D: | 1974 |
| Winthrop, Suffolk County, Massachusetts, USA | |
| Isabelle L Knudson 1911-1985 |
| Isabelle L Knudson | |
| F: | 1911 |
| D: | 1985 |
| Winthrop, Suffolk County, Massachusetts, USA | |
| Arthur W Knudson 1911- |
| Arthur W Knudson | |
| F: | 1911 |
|
| Thomas R Knudson 1884-1974 |
| Thomas R Knudson | |
| F: | Sep 1884 |
| D: | 13 Jul 1974 |
| Winthrop, Suffolk County, Massachusetts, USA | |
 | Christoffa Knudson 1886- |
| Christoffa Knudson | |
| F: | 1886 |
| Norge | |
