Helena
B.
Koop
Birth date:
8 FEB 1865
Birth place:
,
,
,
Death date:
30 MAR 1940
Death place:
,
,
,
Koop Family
Parents:
| Father: | Johann M. Koop |
| Mother: |
Spouse:
| Spouse: | David L. Plett |
Siblings:
|
Aganatha
B.
Koop
|
Children:
