Willis Leo Otto
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| Willis Allen Otto |
| Willis Allen Otto | |
| B: | 28 Nov 1926 |
| Davenport, Scott County, Iowa, USA | |
| D: | 12 Apr 1986 |
| Garland Kay Otto |
| Garland Kay Otto | |
| B: | 11 Dec 1930 |
| Davenport, Scott County, Iowa, USA | |
| D: | 28 Jul 1941 |
| Illinois, USA | |
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| Willis Leo Otto |
| Willis Leo Otto | |
| B: | 25 Mar 1899 |
| Illinois, USA | |
| D: | 0May 1971 |
| Dexter, Washtenaw County, Michigan, USA | |
| Hazel Dorothy Allen |
| Hazel Dorothy Allen | |
| B: | 14 Oct 1897 |
| Peoria, Peoria County, Illinois, USA | |
| M: | 26 Sep 1925 |
| Ohio, USA | |
| D: | 10 Jun 1992 |
| Davenport, Scott County, Iowa, USA | |



