Family: Jakob Walcker Walker / Rosina Opp (F48402)
Daniel F. Opp (1840-1927) 
|
Magdalena Klein (1843-1921)
|
Johann Daniel Opp (1876-1945)  |
| Christian Opp (1882-1950) |
| Rosina Opp (1880-1959)
|
| Jakob Walcker Walker (1873- )
|
| Samuel Walker (1899- ) |
| Pauline Walker (1906- ) |
