Individual Details
Living
( - )
Families
| Father | Henry Herman "Harry" Hollenkamp (1889 - 1957) |
| Mother | Catherine Staverman (1892 - 1962) |
| Sibling | Henry H. Hollenkamp (1913 - 1913) |
| Sibling | Katherine Ethelreda "Ethel" Hollenkamp (1914 - 1923) |
| Sibling | Harold "Holly" Hollenkamp (1917 - ) |
| Sibling | Mary Louise Hollenkamp (1919 - 1940) |
| Sibling | Cyril "Dick" Hollenkamp (1921 - 2005) |