Family: François Joseph Messmer / Anna Maria Aprill (F25519)
m. 4 Nov 1803Jean Georges Messmer (1744-1795) 
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Catharine Eyer (1747-1786)
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| Anne Catherine Messmer (1767- ) |
Léonard Messmer (1770-1843)  |
| Marie Marguerite Messmer (1772- ) |
| Catherine Marguerite Messmer (1775- ) |
| Jean Messmer (1778-1831) |
| Marie Anne Messmer (1782- ) |
| Johannes Jakob Aprill (1730-1786) |
| Anna Maria Mathis (1730-1793) |
| François Joseph Messmer (1780-1832)
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| Anna Maria Aprill (1780-1844)
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| Franz Joseph Messmer (1806- ) |
| Geneviève Messemer (1808- ) |
| Maria Anna Messemer (1811-1847) |
| Apollonia Messemer (1814- ) |
| Georg Joseph Messemer (1817- ) |