Mary Knapp
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| Nancy "Martha" Roberts 1808-1886 |
| Nancy "Martha" Roberts | |
| B: | 1808 |
| Leroy, Bradford County, PA | |
| D: | 1886 |
| Grant County, WI | |
 | Dr. Chester Pratt 1806-1851 |
| Dr. Chester Pratt | |
| B: | Dec 1806 |
| Canton, Bradford County, PA | |
| M: | Abt 1826 |
| D: | 1 May 1851 |
| Grant County, WI | |
| Rebecca Roberts 1816-Aft 1876 |
| Rebecca Roberts | |
| B: | 21 Apr 1816 |
| Leroy, Bradford County, PA | |
| D: | Aft June 1876 |
| Grover, Bradford County, PA | |
| Julius Pratt 1803-1868 |
| Julius Pratt | |
| B: | 19 Dec 1803 |
| Cornwall, Addison County, VT | |
| M: | 25 May 1834 |
| Leroy, Bradford County, PA | |
| D: | 17 Dec 1868 |
| Grover, Bradford County, PA | |