Family: John James Volkmann / Gertrude Unknown (F94130)
Peter Volkmann (1863-1911) 
|
Magdalena Burkhard (1863-1931)
|
Frederick Joseph Volkmann (1893-1958)  |
| Margaretha Katherine Volkmann (1895-1982) |
| Peter Francis Volkmann (1899-1977) |
| Charles Volkmann (1903- ) |
| Frank Volkmann (1907-1931) |
| John James Volkmann (1897-1974)
|
| Gertrude Unknown (1901- ) |
