| Male Reinder Kooijstra |
| Birth | 16 May 1869 | Kalkwijk  |
| Death | ||
| Burial | ||
| Marriage | 18 Mar 1893 | Veendam |
| Type | burgerlijk huwelijk | |
| Father | Jan Kooijstra | F329 Group Sheet | |
| Mother | Aaltjen Timmer | F329 Group Sheet | |
 FemaleWijmpje Ketz |
| Birth | 1 Oct 1872 | Dieren |
| Death | 23 Feb 1908 | Wolfheze |
| Burial | ||
| Father | Evert Ketz | F77 Group Sheet | |
| Mother | Willemina Antonia Neijenhuis | F77 Group Sheet | |
| Male Jan Kooijstra |
| Birth | 5 May 1893 | Arnhem |
| Death | ||
| Burial | ||
| Spouse | Willemina Helena van den Berg | F330 (onbekend) | |
| Marriage | 7 Sep 1920 | Apeldoorn |
| Male Evert Kooijstra |
| Birth | 1897 | Rheden |
| Death | ||
| Burial | ||
| Spouse | Anja Etta Alida Dethmers | F332 (burgerlijk huwelijk) | |
| Marriage | 16 Jun 1921 | Wildervank |
