Family: Pierre Francois Schrever / Margaretha Keller (F43705)
Matthias Keller (1802- ) 
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Elisabetha Burkhard (1812- )
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| Magdalena Keller (1840- ) |
| Maria Eva Keller (1841- ) |
| Anna Maria Keller (1847- ) |
| Pierre Francois Schrever (1826- ) |
| Margaretha Keller (1843-1893)
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