| Male Jacobus Koolen |
| Birth | 21 Nov 1931 | Rotterdam |
| Death | 10 Nov 1990 | Hellevoetsluis |
| Burial | ||
| Marriage | 1 Sep 1954 [1] | Rotterdam [1] |
| Father | Jacobus Koolen | F5259 Group Sheet | |
| Mother | Cornelia Heijkoop | F5259 Group Sheet | |
| Female Louisa Dieuwertje Punselie |
| Birth | 6 Aug 1933 | Rotterdam |
| Death | 8 Dec 1997 | Dirksland |
| Burial | ||
| Father | Jacob Punselie | F5430 Group Sheet | |
| Mother | Elisabeth Schol | F5430 Group Sheet | |