Family: William Knapp / Olivia Unknown (F76883)
Adam Knapp (1872-1946) 
|
Pauline Scheller (1874-1947) |
Sylvester Knapp (1902- )  |
| Matilda Knapp (1905- ) |
| Clements P. Knapp (1908-1972) |
| Helen Knapp (1911-1977) |
| Edward J. Knapp (1913-1993) |
| Olivia Unknown (1899- ) |
| William Knapp (1900- )
|