| 1. Robert Percy Stevenson |
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| B: |
24 Feb 1907 |
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Crawford County, Illinois, USA |
| D: |
17 Jan 1976 |
| P: |
Imperial County, California, USA |
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| 2. David William Stevenson |
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| B: |
10 Jul 1871 |
| P: |
Pennsylvania, USA |
| M: |
27 Nov 1901 |
| P: |
Noble County, Ohio, USA |
| D: |
19 Nov 1914 |
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| 11. |
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| 3. Anna P. Retzer |
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| B: |
15 May 1872 |
| P: |
Noble County, Ohio, USA |
| D: |
15 Nov 1957 |
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| 6. Philipp Jakob Retzer |
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| B: |
2 Apr 1834 |
| P: |
Nothweiler, Pfalz, Bayern |
| M: |
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| D: |
14 Feb 1911 |
| P: |
Crooked Tree, Noble County, Ohio, USA |
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| 12. Philipp Jakob Retzer |
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| B: |
9 Jan 1807 |
| P: |
Nothweiler, Pfalz |
| M: |
8 Jul 1833 |
| P: |
Rumbach, Pfalz, Bayern |
| D: |
6 Jun 1854 |
| P: |
Nothweiler, Pfalz, Bayern |
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| 13. Maria Katharina Grimm |
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| B: |
19 Oct 1811 |
| P: |
Nothweiler, Pfalz |
| D: |
26 Feb 1889 |
| P: |
Wheeling, Ohio County, West Virginia, USA |
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1907 - 1976 (68 years)