Family: Gertrude Marjorie Gumper
m. aft 1940
- [S41] WWW, http://www.mindspring.com/~wileylan/img005.htm, downloaded 17 May 2004; GU-LANGENDOERFER-MISC.
| Wife | Female Gertrude Marjorie Gumper |
| Born | 5 Jun 1920 | Guymon, , Oklahoma  |
| Died | 14 Jun 2012 | |
| Buried | Aft 14 Jun 2012 | Llano Cemetery, Amarillo, Potter County, Texas |
| Other Spouse | Charles Clark Campbell | Family Group Sheet | |
| Married | 1 Oct 1939 [1] | |
| Father | Walter Phillip Gumper | Family Group Sheet | |
| Mother | Hulda Sophie Charlotte Langendoerfer | Family Group Sheet | |
| Sources | ||