| 1. Donna Marie Kammerer |
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| B: |
30 May 1922 |
| P: |
Chicago, Cook County, Illinois, USA |
| D: |
4 Jan 1998 |
| P: |
Tarpon Springs, Pinellas County, Florida, USA |
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| 2. George Francis Kammerer |
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| B: |
16 Jan 1899 |
| P: |
Chicago, Cook County, Illinois, USA |
| M: |
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| P: |
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| D: |
30 Jun 1975 |
| P: |
Pasco County, Florida, USA |
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| 4. George M. Kammerer |
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| B: |
Feb 1867 |
| P: |
Brooklyn, Kings County, New York, USA |
| M: |
20 Jun 1894 |
| P: |
Chicago, Cook County, Illinois, USA |
| D: |
14 Nov 1941 |
| P: |
Chicago, Cook County, Illinois, USA |
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| 5. Barbara Hirten |
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| B: |
14 Nov 1870 |
| P: |
New York, USA |
| D: |
28 Oct 1946 |
| P: |
Chicago, Cook County, Illinois, USA |
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| 10. Nikolaus Hirten |
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| B: |
6 Jan 1833 |
| P: |
Arzfeld, Rheinland |
| M: |
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| P: |
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| D: |
Abt 1875 |
| P: |
New York, USA |
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1922 - 1998 (75 years)