Individual Details
Living
( - )
Families
| Spouse | Breedlove ( - ) |
| Father | Dennis Benedict Hollenkamp (1885 - 1952) |
| Mother | Dora Violet Seng (1894 - 1981) |
| Sibling | Dennis Benedict Hollenkamp Jr. (1914 - 1974) |
| Sibling | Dorothy Elizabeth Hollenkamp (1917 - 1918) |
| Sibling | Living |
| Sibling | Clifford C. Hollenkamp (1920 - 1992) |
| Sibling | Living |
| Sibling | Edward F. Hollenkamp (1925 - 2001) |
| Sibling | Living |
| Sibling | Living |
| Sibling | Living |