| Generation 1 | |
| [1.01 2] Christian Wirtgen (1791-) | |
| Generation 2 | |
| [1.02 3] Joes Petrus Wirtgen (1754-1820) | DEU |
| [2.01* ] Anna Eva Hansoul (1760-1791) | DEU |
| Generation 3 | |
| [1.03 4] Joannes Paulus Wirtgen (1715-1790) | DEU |
| [3.01 ] Anna Catharina Palm (~1720-1778) | DEU |
| Generation 4 | |
| [1.04* ] Johann Wilhelm Wirtgen (<1686-1757) | DEU |
| [3.02* ] Peter Palm (<1700-) | |
| [4.01* ] Elisabetha Schmid (<1688-1758) | DEU |
