Family: Oscar Drossel / Barbara Billmann (F9231)
m. 23 Apr 1912Joseph Billmann (1864-1954) 
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Maria Anna Schwarzmüller (1861-1936)
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Joseph Billmann (1886-1919)  |
| Christian Friedrich Billmann (1888-1974) |
| Georg Joseph Billmann (1890-1950) |
| John Billmann (1896-1984) |
| Henry Billmann (1898-1899) |
| Louis P. Billmann (1901-1984) |
| Henry Anton Billmann (1904-1971) |
| Oscar Drossel (1888-1971) |
| Barbara Billmann (1891-1969)
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| Elmor B. Drossel (1913-1978) |
| Evelyn L. Drossel (1917-1989) |
| Donald Henry Drossel (1925-1990) |
| Helen M. Drossel (1927-2015) |