| Father | John (Johann) BLANKENHEIM **16 (1806 - 1902) |
| Mother | Anna CHRISTINA POETES **17 (1809 - 1898) |
| Sibling | Wilhelm (William) BLANKENHEIM (1833 - 1887) |
| Sibling | Gertrud BLANKENHEIM (1834 - ) |
| Sibling | Peter BLANKENHEIM **8 (1835 - 1920) |
| Sibling | Wilhelm Joseph BLANKENHEIM (1839 - ) |
| Sibling | George "Egidius, Jarius" BLANKENHEIM (1842 - 1917) |
| Sibling | Henry (Heinrich) BLANKENHEIM (1844 - 1923) |
| Sibling | Mathias BLANKENHEIM (1846 - ) |
| Sibling | Margaretha BLANKENHEIM (1848 - ) |
| Sibling | Peter Joseph BLANKENHEIM (1851 - 1944) |
| Sibling | Adolph BLANKENHEIM (1855 - ) |
| Sibling | Mary BLANKENHEIM (1857 - 1870) |