Vår Slekts Historie
Familie: Peter Lexau Heiberg / Freideica Elisabeth Foswinckel (F1660)
g. 26 Feb 1787Johan Fredrik Foswinckel (1712-1799) 
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Elisabeth Margaretha Meyer (1720- )
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| Margareta Octavia Foswinckel (1747-1759) |
| Herman Conrad Foswinckel (1749-1752) |
| Anna Sophia Foswinckel (1750-1768) |
| Henrich Foswinckel (1753-1772) |
| Johanna Margareta Foswinckel (1754-1824) |
| Conrad Henrich Foswinckel (1757-1759) |
| Peter Lexau Heiberg (1759-1816) |
| Freideica Elisabeth Foswinckel (1761- )
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| Friderica Elisabeth Heiberg (1788-1788) |
Mette Heiberg (1789-1829)  |
| Elisabeth Margaretga Heiberg (1791-1879) |
| Johan Friderich Fosvinckel Heiberg (1793-1807) |
| Christopher Heiberg (1794-1818) |
| Albert Henrich Heiberg (1795-1798) |
| Christen Heiberg (1798- ) |