Marie Sophie Grethen-Bussmann 1819–1887 | | |
| | Andreas Grethen-Bussmann 1821–1891 Elisabeth Auguste Sibbers 1824–1886 | | |
Johann Friedrich Grethen-Bussmann 1831–1867 Pauline Agathe Josiane Sibbers – | | |
| | Heinrich Wilhelm Grethen-Bussmann 1790–1861 Nonne Hinrichsen 1797–1835 | | |
| | Henning Grethen 1740–1823 | | |
Hinrich Bussmann 1752–1814 Maria Sophia Petersen –1820 | | |
| | Margaretha Baden 1710–1792 | | |