Family: Johannes Heinrich Engelhardt / Maria Charlotta Philippina Merck (F33779)
m. 6 May 1777Thomas Peter Engelhardt (1720-1794) 
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Maria Elisabetha Dentzer (1715-1761)
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| Klara Elisabetha Engelhardt (1755-1756) |
| Franz Friederich Merck ( -1776) |
| Johanna Martha Philippina Lauckhard (1715-1787)
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| Maria Charlotta Philippina Merck (1748-1791)
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| Johannes Heinrich Engelhardt (1753- )
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| Johannes Peter Engelhardt (1778-1787) |
Ludwig Wilhelm Engelhardt (1780- )  |
| Johannes Heinrich Engelhardt (1784-1786) |
| Katharina Philippina Engelhardt (1787-1792) |