| 1. Heinrich F Sievert |
 |
| B: |
27 Aug 1837 |
| P: |
Mecklenberg, Techentin, Germany |
| D: |
4 Nov 1887 |
| P: |
Davenport, Scott County, Iowa |
|
| 2. Unknown Sievert |
|
| B: |
WFT Est 1788-1816 |
| P: |
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| M: |
WFT Est 1811-1856 |
| P: |
|
| D: |
WFT Est 1840-1899 |
| P: |
Davenport, Scott County, Iowa |
|
| 4. Johan Peter Sieffert |
|
| B: |
10 Oct 1768 |
| P: |
Germany |
| M: |
WFT Est 1785-1818 |
| P: |
|
| D: |
WFT Est 1788-1858 |
| P: |
Germany |
|
| 8. |
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1837 - 1887 (50 years)