Harvey Heinrich Cosman
1890 - 1942 (52 years)
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| Earl H. Cosman 1914-1981 |
| Earl H. Cosman | |
| B: | 8 Jun 1914 |
| D: | Sep 1981 |
| Mount Prospect, Cook County, Illinois, USA | |
 | Grace E. Prellberg 1915-2002 |
| Grace E. Prellberg | |
| B: | 10 Aug 1915 |
| Des Plaines, Cook County, Illinois, USA | |
| D: | 19 Dec 2002 |
| Arlington Heights, Cook County, Illinois, USA | |
| Paul F. Cosman 1919-1988 |
| Paul F. Cosman | |
| B: | 30 Jul 1919 |
| D: | 12 Jun 1988 |
| Edgerton, Rock County, Wisconsin, USA | |
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| Harvey Heinrich Cosman 1890-1942 |
| Harvey Heinrich Cosman | |
| B: | 12 May 1890 |
| Elk Grove, Cook County, Illinois, USA | |
| D: | 12 Sep 1942 |
| Mount Prospect, Cook County, Illinois, USA | |
| Sarah Gathman 1891-1957 |
| Sarah Gathman | |
| B: | Nov 1891 |
| Schaumburg, Cook County, Illinois, USA | |
| M: | 23 Mar 1913 |
| Bensenville, DuPage County, Illinois, USA | |
| D: | Jan 1957 |
| Arlington Heights, Cook County, Illinois, USA | |