Clara Staab
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| Herman Helfrich |
| Herman Helfrich | |
| B: | 17 Mar 1903 |
| Pittsburgh, Allegheny County, Pennsylvania, USA | |
| D: | 30 Jul 1947 |
| Pittsburgh, Allegheny County, Pennsylvania, USA | |
| William Adam Helfrich |
| William Adam Helfrich | |
| B: | 7 May 1904 |
| Pittsburgh, Allegheny County, Pennsylvania, USA | |
| D: | 4 Aug 1958 |
| Pittsburgh, Allegheny County, Pennsylvania, USA | |
| Harry John Helfrich |
| Harry John Helfrich | |
| B: | 17 Nov 1906 |
| Pittsburgh, Allegheny County, Pennsylvania, USA | |
| D: | 3 Mar 1956 |
| Kennedy Township, Allegheny County, Pennsylvania, USA | |
| Clarence Jacob Helfrich |
| Clarence Jacob Helfrich | |
| B: | 15 Jan 1914 |
| Pittsburgh, Allegheny County, Pennsylvania, USA | |
| D: | 24 Mar 1948 |
| Pittsburgh, Allegheny County, Pennsylvania, USA | |
| Clara Staab |
| Clara Staab | |
| B: | 1873 |
| Pittsburgh, Allegheny County, Pennsylvania, USA | |
| D: | 1941 |
| Pittsburgh, Allegheny County, Pennsylvania, USA | |
| Georg Helfrich |
| Georg Helfrich | |
| B: | 15 Sep 1873 |
| Erfweiler, Pfalz, Bayern | |
| D: | Pittsburgh, Allegheny County, Pennsylvania, USA |



