| Father | Male George Eugenius Williamsen |
| Born | 16 Apr 1843 | Ooij, Ubbergen, Gelderland, Netherlands |
| Died | 10 Feb 1925 | Little Chute, Outagamie, Wisconsin |
| Buried | St John Cemetery, Little Chute, Outagamie, Wisconsin |
|
| Married | 21 Dec 1870 | St John Nepomucene Church, Little Chute, Outagamie, Wisconsin |
| Other Spouse | Hendricka Bergmans | F4281 | |
| Married | 1874 | |
| Father | Theodore Williamson | F244 Group Sheet | |
| Mother | Wilhelmina Bomkamp | F244 Group Sheet | |
| Mother | Female Petronella Vandehey |
| Born | 30 Jan 1854 | Hollandtown, Brown Co, Wisconsin |
| Died | 15 Jan 1875 | Kaukauna, Outagamie, Wisconsin |
| Buried | St John Cemetery, Little Chute, Outagamie, Wisconsin |
|
| Father | Cornelius John VandeHey | F1110 Group Sheet | |
| Mother | Maria Jacobs | F1110 Group Sheet | |
| Child 1 | Male Theodore G Williamsen |
| Born | 27 Dec 1872 | Town of Vandenbroek, Outagamie Co, Wisconsin |
| Died | 02 Nov 1952 | Little Chute, Outagamie, Wisconsin |
| Buried | St John Cemetery, Little Chute, Outagamie, Wisconsin |
|
| Spouse | Petronella VanHandel | F1963 | |
| Married | 25 Jun 1895 | St John Nepomucene Church, Little Chute, Outagamie, Wisconsin |
| Child 2 | Female Mary Alegonda Williamsen |
| Born | 23 Oct 1874 | Little Chute, Outagamie, Wisconsin |
| Died | 18 Jun 1938 | Little Chute, Outagamie, Wisconsin |
| Buried | St John Cemetery, Little Chute, Outagamie, Wisconsin |
|
| Spouse | Mathias Driessen | F235 | |
| Married | 10 Jun 1896 | St John Nepomucene Church, Little Chute, Outagamie, Wisconsin |