Family: Robert Marvin Hartung / Petra Jensine Neff (F144762)
m. 1 Mar 1944Friedrich Georg Neff (1876-1960) 
|
Helen Neff (1904-1976)  |
| Frederick George Neff (1907-2004) |
| Philip Neff (1912- ) |
| Petra Jensine Neff (1915-1982)
|
| Robert Marvin Hartung (1920-1987) |
