| Partner | Date of Birth | Children |
|---|---|---|
Neeltje Gijsberta van der Vliet |
06-07-1901 | Evert Johannes Koster Jan Pieter Koster |
| Event Type | Date | Place | Description |
|---|---|---|---|
Birth |
02-10-1889 | 's-Gravenhage, Zuid-Holland, Nederland |
| Description |
|---|
Gezinskaart Pieter Adriaan Koster 1889 |