Individual Details
Mark Andrew Terhaar
( - )
Families
| Father | Jerome Anthony Terhaar (1925 - 1994) |
| Mother | Geraldine Mary Wenner (1928 - 2010) |
| Sibling | Nicholas John Terhaar |
| Sibling | Mary Ellen Terhaar |
| Sibling | Jean Marie Terhaar |
| Sibling | Diane Louise Terhaar |
| Sibling | Eileen Theresa Terhaar |
| Sibling | Patricia Ann Terhaar |
| Sibling | Michael Anthony Terhaar |
| Sibling | Kenneth Frank Terhaar |
| Sibling | Kathryn Amanda Terhaar |