| Male Willem Koster | 
| Birth | ||
| Death | ||
| Burial | ||
| Marriage | 27 Jul 1810 | Delft, Zuid Holland, The Netherlands  | 
| Father | ||
| Mother | ||
| Female Anna Schaddelee | 
| Birth | 04 Jun 1769 | Werkendam, Noord-Brabant, The Netherlands  | 
| Death | 15 Mar 1817 | Rotterdam, Zuid-Holland, The Netherlands  | 
| Burial | ||
| Father | Koenraad Schaddelee | F6319 Group Sheet | |
| Mother | Bastiaantje de Ruijter | F6319 Group Sheet | |