| | Anna Maria Becker 1882–1960 | | |
| | Theresia Katharina Wilhelmine Drewes 1851–1935 (August) Wilhelm Gröne 1844–1890 | | |
Johann Joseph Drewes 1858–1862 | | |
Anton Conrad Bernard Drewes 1865–… | | |
| | Conrad Joseph Drewes 1818–1889 | | | | Josef Anton Drewes 1796–1851 Catharina Marie Margarethe Gemmke 1783–… |
|
|