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| Father | Male Ernst Franz Karl August Demke |
| Born | 18 Jan 1882 | Sudau, Konigsberg, Prussia |
| Died | 2 Oct 1957 | Salt Lake City, Salt Lake, Utah, United States |
| Buried | 5 Oct 1957 | Wasatch Lawn Memorial Park, Salt Lake City, Salt Lake, Utah United States |
| Married | 24 Oct 1907 | Salt Lake City, Salt Lake, Utah, United States |
| Father | Johann Heinrich August Demke | F6 Group Sheet | |
| Mother | Henriette Friederike Ernestine Auguste Godau | F6 Group Sheet | |
| Mother | Female Meta Mathilde Margareta Zigahn |
| Born | 5 Oct 1884 | Pillau, Fischhausen, East Prussia, Germany |
| Died | 12 Apr 1953 | Salt Lake City, Salt Lake, Utah, United States |
| Buried | 16 Apr 1953 | Wasatch Lawn Memorial Park, Salt Lake City, Salt Lake, Utah United States |
| Father | Friedrich Wilhelm Zigahn | F5 Group Sheet | |
| Mother | Mathilde Minna Maria Fischer | F5 Group Sheet | |
| Child 1 | Female Esther Grace Demke |
| Born | 29 Sep 1908 | Salt Lake City, Salt Lake, Utah, United States |
| Died | 29 Jun 1915 | Salt Lake City, Salt Lake, Utah, United States |
| Buried | 29 Jun 1915 | Salt Lake City, Salt Lake, Utah, United States |
| Child 2 | Male Hyrum Ernest Demke |
| Born | 15 Jun 1910 | Salt Lake City, Salt Lake, Utah, United States |
| Died | 20 May 1957 | Salt Lake City, Salt Lake, Utah, United States |
| Buried | ||
| Spouse | Eva Elizabeth Graeske | F18 | |
| Married | 9 Jul 1934 | Salt Lake City, Salt Lake, Utah, United States |
| Child 3 | Male Otto Joseph Demke |
| Born | 31 Dec 1911 | Salt Lake City, Salt Lake, Utah, United States |
| Died | 29 Jun 1915 | Salt Lake City, Salt Lake, Utah, United States |
| Buried | 29 Jun 1915 | Salt Lake City, Salt Lake, Utah, United States |
| Child 4 | Male Ernest Fredrick Demke |
| Born | 1 Nov 1913 | Salt Lake City, Salt Lake, Utah, United States |
| Died | 20 Dec 2000 | Salt Lake City, Salt Lake, Utah, United States |
| Buried | Salt Lake City, Salt Lake, Utah, United States |
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| Spouse | Rosella Myler | F17 | |
| Married | 10 Nov 1939 | Salt Lake City, Salt Lake, Utah, United States |
| Child 5 | Female Grace Zigahn Demke |
| Born | 6 Jun 1915 | Salt Lake City, Salt Lake, Utah, United States |
| Died | 11 Feb 1997 | Salt Lake City, Salt Lake, Utah, United States |
| Buried | 15 Feb 1997 | Wasatch Lawn Memorial Park, Salt Lake City, Salt Lake, Utah United States |
| Spouse | Clifton Wesley Smith | F19 | |
| Married | 11 Oct 1940 (div) | |
| Child 6 | Male Edmund August Demke |
| Born | 5 Aug 1916 | Salt Lake City, Salt Lake, Utah, United States |
| Died | 2 Jul 2002 | Salt Lake City, Salt Lake, Utah, United States |
| Buried | ||
| Spouse | Myrtle Edith McKnight | F14 | |
| Married | 1 May 1940 | |
Magdeline Meta Demke |
| Born | 11 Oct 1918 | Salt Lake City, Salt Lake, Utah, United States |
| Died | 12 Feb 2011 | Pleasant Grove, Utah, Utah, United States |
| Buried | 19 Feb 2011 | Salt Lake City, Salt Lake, Utah, United States |
| Spouse | Roy Bytheway Barraclough | F9 | |
| Married | 5 Jun 1940 | |
| Child 8 | Female + Evelyn Ida Demke |
| Born | 3 Jan 1920 | Salt Lake City, Salt Lake, Utah, United States |
| Christened | 7 Mar 1920 | |
| Died | 8 May 2013 | Park City, Summit, Utah, United States |
| Buried | 11 May 2013 | Salt Lake City Cemetery, Salt Lake City, Salt Lake, Utah, United States |
| Spouse | Frederick Oliver English | F1 | |
| Married | 6 Jun 1941 | Salt Lake City, Salt Lake, Utah, United States |
| Child 9 | Male David Frank Demke |
| Born | 5 Sep 1921 | Salt Lake City, Salt Lake, Utah, United States |
| Died | 11 Apr 1998 | Salt Lake City, Salt Lake, Utah, United States |
| Buried | ||
| Spouse | Betty LaRue White | F16 | |
| Married | 11 Jul 1947 (div) | |
| Child 10 | 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 |
| Spouse | Marian Reynolds | F12 | |
| Married | ||
| Spouse | Marian Reynolds | F13 | |
| Married | 19 Nov 1942 | Salt Lake City, Salt Lake, Utah, United States |
| Child 11 | Male Wilford Jacob Demke |
| Born | 10 Jul 1925 | Salt Lake City, Salt Lake, Utah, United States |
| Died | 30 Jan 1998 | Salt Lake City, Salt Lake, Utah, United States |
| Buried | 3 Feb 1998 | Mountain View Cemetery, Cottonwood Heights, Salt Lake, Utah, United States |
| Spouse | Barbara Eleen Johnson | F15 | |
| Married | 17 Aug 1954 | |