Our Family History
The Genealogy of the Sisterman and Grohs Families
Family: George Adolphus Erdman / Wilhelmine Henriette Sperrer (F21)
m. 1 May 1855
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 | Carl Georg Heinrich Friedrich Erdmann (1799-1866)
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 | Johanne Caroline Friederike Angerstein Niemeier (1804-1870)
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| Karl August Wilhelm Erdmann (1837-1910) |
| George Adolphus Erdman (1837-1902)
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 | Wilhelmine Henriette Sperrer (1819-1867)
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| Caroline Anna Erdman (1855-1935)  |
 | Mary Erdman (1857- ) |