| Name | Siep Koopmans | |
| Birth | 30 Nov 1952 | Winschoten, Groningen, The Netherlands |
| Gender | Male | |
| Death | 7 Mar 2020 | Drachten, Friesland, The Netherlands |
| Person ID | I12170 | Martherus |
| Last Modified | 18 Mar 2020 | |
| Family | E. Derksen | |
| Family ID | F761 | Group Sheet | Family Chart |
| Last Modified | 18 Mar 2020 | |