| Father | Johann Heinrich Christian Ahrens (1820 - 1916) |
| Mother | Anna Rose Elizabeth Koeperman (1830 - 1896) |
| Sibling | Anna Margaretha Catharina Ahrens (1828 - ) |
| Sibling | Helena Rebecke Luise Ahrens (1830 - ) |
| Sibling | Friedrich Wilhelm Nicolaus Ahrens (1831 - 1926) |
| Sibling | Christian Heinrich Frederich Christophe Ahrens (1833 - 1903) |
| Sibling | Henriette Ahrens (1837 - ) |
| Sibling | Anna Ahrens (1843 - ) |
| Sibling | Johann Ahrens (1854 - 1930) |
| Sibling | Roselena R Ahrens (1855 - 1938) |
| Sibling | Mary Ahrens (1857 - ) |
| Sibling | Christian Ahrens (1857 - 1927) |
| Sibling | Ludwig Ahrens (1857 - ) |
| Sibling | Wilhelmine Ahrens (1859 - ) |
| Sibling | John Ahrens (1859 - ) |
| Sibling | Hermich Ahrens (1862 - ) |
| Sibling | Eva Ahrens (1862 - 1920) |
| Sibling | Henry Ahrens (1862 - 1882) |
| Sibling | Carl Ahrens (1863 - ) |
| Sibling | Abel Henry Ahrens (1865 - 1943) |
| Sibling | Rl Ahrens (1867 - ) |