Family: John A. C. Rohlfing & Agnes E. Horstmann
m. between 1920 and 1924
 | Charles Fred Horstmann (1866-1951) 
|
 | Mary Becker (1870-1936)
|
| Benjamin Horstmann (1890-1979)  |
| John Horstmann (1891- ) |
| Alvin Edward Horstmann (1893-1963) |
| Nelda Louise Horstmann (1896-1953) |
| Clara Horstmann (1906-1988) |
| Charles Edward Harry Horstmann (1907-1989) |
| Hilbert Horstmann (1910-1991) |
| John A. C. Rohlfing (1898-1972) |
| Agnes E. Horstmann (1903-1924)
|