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| Father | Male Joseph Raymond Demke |
| Born | 25 Jan 1923 | Salt Lake City, Salt Lake, Utah, United States |
| Died | 30 Jun 1998 | Brea, Orange, California, United States |
| Buried | 6 Jul 1998 | Spanish Fork, Utah, Utah, United States |
| Married | ||
| Other Spouse | Marian Reynolds | F13 | |
| Married | 19 Nov 1942 | Salt Lake City, Salt Lake, Utah, United States |
| Father | Ernst Franz Karl August Demke | F3 Group Sheet | |
| Mother | Meta Mathilde Margareta Zigahn | F3 Group Sheet | |
| Mother | Female Marian Reynolds |
| Born | 1922 | Springville, Utah, Utah, United States |
| Died | 27 Feb 1988 | |
| Buried | ||
| Father | ||
| Mother | ||