Family: George Monroe / Mamie Opp (F154965)
Jacob E. Opp (1856-1925) 
|
Jeanette Maule (1863-1953) |
John August Opp Neilson (1883-1958)  |
| Mamie Opp (1879-1958)
|
| Jacob E. Opp (1856-1925)
|
| Jeanette Maule (1863-1953) |
| John August Opp Neilson (1883-1958) |
| Mamie Opp (1879-1958)
|