Family: John Peter Ackerman / Catharine Eva Wittmann (F3000)
m. 27 Sep 1905Georg Peter Ackermann (1845-1917) 
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Katharina Hasslauer (1851-1922)
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Elizabeth A. Ackerman (1875-1959)  |
| Maria Margaretha Ackerman (1877-1891) |
| Catherine M. Ackerman (1880-1944) |
| Maria Magdalena Ackerman (1882-1944) |
| George Joseph Ackerman (1883-1884) |
| George Adam Ackerman (1885-1907) |
| George Jacob Ackerman (1889-1965) |
| Albert Adam Ackerman (1891-1978) |
| John Wittmann (1854- )
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| Emma L. Unknown (1860- ) |
| John Peter Ackerman (1878-1956)
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| Catharine Eva Wittmann (1878-1964)
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| Catherine Ackerman (1907- ) |
| Magdalena Ackerman (1908- ) |
| Theresa N. Ackerman (1910-2012) |
| Mary M. Ackerman (1912-2010) |
| John Andrew Ackerman (1914-2003) |
| Agnes Barbara Ackerman (1916-1992) |
| Rita M. Ackerman (1918-2003) |
| Joseph F. Ackerman (1920-2008) |
| George L. Ackerman (1922-2007) |
| Robert J. Ackerman (1925-1988) |