| 1. Marlene S. Robertson |
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| B: |
9 May 1937 |
| P: |
Wapello, Louisa County, Iowa |
| D: |
21 Dec 1971 |
| P: |
Honolulu, Hawaii |
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| 2. James Russell Robertson |
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| B: |
14 Jul 1909 |
| P: |
Des Moines County, Iowa |
| M: |
25 Dec 1933 |
| P: |
Wapello, Louisa County, Iowa |
| D: |
16 Apr 1985 |
| P: |
Burlington, Des Moines County, Iowa |
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| 4. John Plake Robertson |
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| B: |
19 Feb 1870 |
| P: |
Indiana |
| M: |
31 Dec 1896 |
| P: |
Des Moines County, Iowa |
| D: |
23 Aug 1958 |
| P: |
Des Moines County, Iowa |
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| 8. |
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| 5. Lena Mabel Baird |
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| B: |
20 Aug 1878 |
| P: |
Des Moines County, Iowa |
| D: |
29 Sep 1952 |
| P: |
Burlington, Des Moines County, Iowa |
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| 10. James Wallace Baird |
=> |
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| B: |
18 Sep 1847 |
| P: |
Morning Sun, Louisa County, Iowa |
| M: |
7 Apr 1871 |
| P: |
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| D: |
27 Sep 1923 |
| P: |
Mediapolis, Des Moines County, Iowa |
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| 11. Mary Ann Walkinshaw |
=> |
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| B: |
19 Mar 1850 |
| P: |
Londonderry, Guernsey County, Ohio |
| D: |
21 Nov 1948 |
| P: |
Morning Sun, Louisa County, Iowa |
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| 15. |
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1937 - 1971 (34 years)