| Father | Henry (Heinrich) BLANKENHEIM (1844 - 1923) |
| Mother | Catherine "Katherine" PULVERMACHER (1850 - 1939) |
| Sibling | William P BLANKENHEIM (1870 - 1962) |
| Sibling | Amelia (Emelia) BLANKENHEIM (1872 - 1963) |
| Sibling | Mary BLANKENHEIM (1873 - 1962) |
| Sibling | Anna C BLANKENHEIM (1876 - 1964) |
| Sibling | Elizabeth BLANKENHEIM (1878 - ) |
| Sibling | Peter Joseph BLANKENHEIM (1882 - 1944) |
| Sibling | Carl J (Charles) BLANKENHEIM (1884 - 1963) |
| Sibling | Lina G BLANKENHEIM (1886 - ) |
| Sibling | Rosalia Sally BLANKENHEIM (1888 - 1974) |
| Sibling | Walter J BLANKENHEIM Jr (1892 - 1966) |
| Sibling | Mathias D (Benjamin M) "Ben" BLANKENHEIM (1897 - ) |