 1911 - 1959 (47 years)
| 1. Ross Henry Koehler |
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| B: |
23 Nov 1911 |
| P: |
Petrolia, Enniskillen Twp., Lambton Co., Ontario |
| D: |
11 May 1959 |
| P: |
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| 2. Edwin Koehler |
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| B: |
10 Aug 1883 |
| P: |
Woolwich Twp., Waterloo Region, Ontario, Canada |
| M: |
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| P: |
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| D: |
1967 |
| P: |
Sarnia, Lambton Co., Ontario, Canada |
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| 4. Henry Koehler |
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| B: |
3 Dec 1852 |
| P: |
Waterloo City, Waterloo Region, Ontario, Canada |
| M: |
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| P: |
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| D: |
21 Sep 1921 |
| P: |
Heidelberg, Wellesley Twp., Waterloo Region, Ontario, Canada |
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| 8. Johann C. "John" Koehler |
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| B: |
1 Jan 1828 |
| P: |
, Hesse-Darmstadt, Germany |
| M: |
21 Apr 1851 |
| P: |
Greenbush (Kitchener), Waterloo Region, Ontario, Canada |
| D: |
13 Aug 1914 |
| P: |
Heidelberg, Wellesley Twp., Waterloo Region, Ontario, Canada |
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| 9. Susannah Schaefer |
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| B: |
2 Dec 1825 |
| P: |
Alsfeld, Hessen, Germany |
| D: |
17 Feb 1908 |
| P: |
Heidelberg, Wellesley Twp., Waterloo Region, Ontario, Canada |
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| 5. Margaret Hahn |
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| B: |
9 Jan 1857 |
| P: |
, Waterloo Region, Ontario, Canada |
| D: |
27 Feb 1934 |
| P: |
, Waterloo Region, Ontario, Canada |
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| 10. John Hahn |
=> |
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| B: |
3 Mar 1833 |
| P: |
, Hesse-Darmstadt, Germany |
| M: |
1855 |
| P: |
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| D: |
10 Nov 1925 |
| P: |
Wellesley Twp., Waterloo Region, Ontario, Canada |
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| 11. Elizabeth Sippel |
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| B: |
18 Feb 1833 |
| P: |
, Hesse-Darmstadt, Germany |
| D: |
25 Apr 1921 |
| P: |
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| 3. Ella M. |
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| B: |
19 Feb 1890 |
| P: |
Erbsville, Waterloo City, Waterloo Region, Ontario, Canada |
| D: |
31 Mar 1970 |
| P: |
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