| Father | George Kirchhoefer Sr. (1838 - 1918) |
| Mother | Susanna Petri (1844 - 1904) |
| Sibling | Katharina Elisabetha Kirchhoefer (1861 - 1942) |
| Sibling | Susanna Kirchhoefer (1863 - 1963) |
| Sibling | George Kirchhoefer Jr. (1865 - 1925) |
| Sibling | Elisabeth Maria Kirchhoefer (1867 - 1917) |
| Sibling | Philip Kirchhoefer (1869 - 1956) |
| Sibling | Gerhard Heinrich Kirchhoefer (1872 - 1932) |
| Sibling | Maria E. Kirchhoefer (1874 - 1876) |
| Sibling | Michael Kirchhoefer (1876 - 1947) |
| Sibling | John Henry Kirchhoefer (1878 - 1939) |
| Sibling | Louisa F. Kirchhoefer (1882 - 1958) |
| Sibling | Emma Caroline Kirchhoefer (1885 - 1977) |