 1891 - 1918 (27 years)
| 1. Frederick William Ploethner |
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| B: |
17 Jan 1891 |
| P: |
Normanby Twp., Grey Co., Ontario, Canada |
| D: |
20 Jun 1918 |
| P: |
Eamont Bridge, near Penrith, Penrith, , Lancashire, England |
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| 2. Oscar Louis Ploethner |
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| B: |
16 Jun 1862 |
| P: |
Preston (Cambridge), Waterloo Region, Ontario, Canada |
| M: |
11 Dec 1888 |
| P: |
Neustadt, Normanby Twp., Grey Co., Ontario, Canada |
| D: |
5 Dec 1935 |
| P: |
Kitchener, Waterloo Region, Ontario, Canada |
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| 4. John August Ploethner |
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| B: |
13 Jan 1823 |
| P: |
Neustadt, Sachsen, Germany |
| M: |
12 May 1856 |
| P: |
Kitchener, Waterloo Region, Ontario, Canada |
| D: |
10 Jul 1900 |
| P: |
Preston (Cambridge), Waterloo Region, Ontario, Canada |
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| 9. |
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| 5. Martha Christine Heise |
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| B: |
18 Jun 1836 |
| P: |
Mülhausen, Thuringen, Königreich, Mülhausen, , Nordrhein-Westfalen, Germany |
| D: |
12 Dec 1916 |
| P: |
Preston (Cambridge), Waterloo Region, Ontario, Canada |
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| 10. Christoph Heise |
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| B: |
1 Jul 1805 |
| P: |
, Germany |
| M: |
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| P: |
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| D: |
22 Apr 1870 |
| P: |
Preston (Cambridge), Waterloo Region, Ontario, Canada |
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| 3. Friedericke Wieser |
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| B: |
28 Sep 1864 |
| P: |
Woolwich Twp., Waterloo Region, Ontario, Canada |
| D: |
11 Jul 1937 |
| P: |
Kurtzville, Wallace Twp., Perth Co., Ontario, Canada |
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| 6. William Henry Wieser |
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| B: |
1836 |
| P: |
, Germany |
| M: |
11 Oct 1863 |
| P: |
, Waterloo Region, Ontario, Canada |
| D: |
Yes, date unknown |
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