Individual Details
Living
( - )
Families
| Father | John W Langsdorf (1880 - 1954) |
| Mother | Alice Duffy (1880 - ) |
| Sibling | Franz Friedrich Theodor Langsdorf (1902 - 1961) |
| Sibling | Anthony Langsdorf (1905 - ) |
| Sibling | Roy J Langsdorf (1908 - ) |
| Sibling | Everett John Langsdorf (1909 - 1962) |
| Sibling | Katherine Langsdorf (1911 - ) |
| Sibling | Leo J Langsdorf (1913 - 1990) |
| Sibling | Margret Langsdorf (1917 - 1986) |