| Male William P. Thieszen |
| Birth | 01 Jun 1890 | Marion |
| Death | 29 Nov 1962 | |
| Burial | ||
| Marriage | 12 Dec 1912 | |
| Type | Civil | |
| Father | ||
| Mother | ||
| Female Anna J. Goossen |
| Birth | 22 Dec 1890 | Turner, South Dakota |
| Death | 27 Feb 1961 | South Dakota |
| Burial | ||
| Father | Johann Goossen | F169 Group Sheet | |
| Mother | Anna Berg | F169 Group Sheet | |