| 1. Russel Dean Kroepel |
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| B: |
10 Mar 1939 |
| P: |
Preston, Iowa, United States of America |
| D: |
26 Apr 2006 |
| P: |
Le Mars, Iowa, United States of America |
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| 2. Otto Theodore Kroepel |
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| B: |
18 Nov 1897 |
| P: |
Peoria, Illinois, Unites States of America |
| M: |
25 Nov 1925 |
| P: |
Plymouth, Iowa, Unites States of America |
| D: |
12 Feb 1981 |
| P: |
Sioux City, Iowa, United States of America |
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1939 - 2006 (67 years)