Individual Details
Living
( - )
Families
| Spouse | Henry KLOPPER (1937 - 2001) |
| Father | Albertus "Albert" WILKEN (1908 - 1976) |
| Mother | Lucia "Luis" HESSELS (1908 - 1997) |
| Sibling | Maria Elizabeth "Lies" WILKEN (1934 - ) |
| Sibling | Living |
| Sibling | Marrianne Bernarda Hubertha WILKEN (1944 - 2012) |
| Sibling | Living |