Family: Dr. Hammond James Dugan, III / Betty Bernice Niederkorn (F4239)
Anton William Niederkorn (1909-1986) |
Helen Bernice Vaughn (1916-2000) 
|
Richard William Niederkorn (1936-2015)  |
| Janet Marie Niederkorn (1938-2009) |
| James Robert Niederkorn (1944-1973) |
| Raymond Frederick Niederkorn (1946-1947) |
| Theresa Louise Niederkorn (1949-2002) |
| Patricia Niederkorn (1952-1952) |
| Dr. Hammond James Dugan, III (1936-2018) |
| Betty Bernice Niederkorn (1937-2020)
|
