Família: Karl Friedrich Seckler / Wilhelmine Margaretha Grassmann (F6838)
Johann Andreas Grassmann (1780-1855) 
|
Anna Sara Heiderich (1787-1835)
|
| Jakobine Catharina Grassmann ( -1816) |
| Johann Andreas Grassmann (1819-1850) |
| Heinrich Jakob Grassmann (1822-1823) |
| Maria Elisabeth Grassmann (1824- ) |
| Johann Heinrich Grassmann (1826-1841) |
Ludwig Daniel Grassmann (1821-1910)  |
| Karl Friedrich Seckler (1820-1875) |
| Wilhelmine Margaretha Grassmann (1816-1870)
|
| Karl Jakob Seckler (1855-1857) |
| Heinrich Peter Seckler (1859- ) |