| 1. Henry David Helfer |
 |
| B: |
4 Jan 1862 |
| P: |
Pittsburgh, Allegheny County, Pennsylvania, USA |
| D: |
10 Mar 1916 |
| P: |
Pittsburgh, Allegheny County, Pennsylvania, USA |
|
| 2. Heinrich Helfer |
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| B: |
28 Mar 1842 |
| P: |
Pittsburgh, Allegheny County, Pennsylvania, USA |
| M: |
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| P: |
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| D: |
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| P: |
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| 4. Andreas Helfer |
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| B: |
25 Jan 1798 |
| P: |
Wilgartswiesen, Pfalz |
| M: |
18 Jan 1841 |
| P: |
Pittsburgh, Allegheny County, Pennsylvania, USA |
| D: |
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| P: |
Pittsburgh, Allegheny County, Pennsylvania, USA |
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| 8. Johannes Jakob Helfer |
=> |
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| B: |
6 Feb 1764 |
| P: |
Vorderweidenthal, Pfalz |
| M: |
14 Apr 1797 |
| P: |
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| D: |
30 May 1840 |
| P: |
Vorderweidenthal, Pfalz, Bayern |
|
1862 - 1916 (54 years)