| Generation 1 | |
| [1.01 2] Maria Magdalena Lahr (1846-) | |
| Generation 2 | |
| [1.02* ] Philipp Lahr (1797->1852) | DEU |
| [2.01 3] Anna Maria Schefer (1807->1852) | DEU |
| Generation 3 | |
| [2.02 4] Johann Adam Schäfer (~1760-1807) | DEU |
| [3.01 5] (Maria) Anna Becker (1766->1807) | DEU |
| Generation 4 | |
| [2.03 ] Jois Schäfer (<1746-) | |
| [3.02* ] Jois Georgius Becker (<1746->1787) | DEU |
| [4.01* ] Susanna Dekoin (<1746-) | |
| [5.01* ] Agnes Rachdorff (<1746-~1771) | DEU |
| Generation 5 | |
| [2.04* ] . Schäfer (<1726-) |
