Family: John Knapp / Elizabeth Hoppen (F75010)
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Father | Male
John Knapp
Born Cape Vincent, Jefferson County, New York, USA 
Died Buried Married Father Karl Knapp | F75001 Group Sheet Mother Katharina Leininger | F75001 Group Sheet
| Father | Male John Knapp |
| Born | Cape Vincent, Jefferson County, New York, USA |
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| Died | ||
| Buried | ||
| Married | ||
| Father | Karl Knapp | F75001 Group Sheet | |
| Mother | Katharina Leininger | F75001 Group Sheet | |