1874 - 1957 (83 jaar) | Hendrik Willem van Calker 1908-1985 |
| Hendrik Willem van Calker | |
| G: | 5 jan 1908 |
| Winsum, Winsum, Groningen, Netherlands | |
| O: | 21 nov 1985 |
 | Klasina de Graaf 1910-1994 |
| Klasina de Graaf | |
| G: | 14 aug 1910 |
| Warffum, Warffum, Groningen, Netherlands | |
| H: | 10 mrt 1930 |
| Baflo, Baflo, Groningen, Nederland | |
| O: | 1994 |
| Bedum, Bedum, Groningen, Nederland | |
| Willem van Calker 1874-1957 |
| Willem van Calker | |
| G: | 1874 |
| Winsum, Winsum, Groningen, Netherlands | |
| O: | 1957 |
| Groningen, Groningen, Groningen, Nederland | |
| Ebeltje Jonkman 1874-1960 |
| Ebeltje Jonkman | |
| G: | 1874 |
| Zuidhorn, Zuidhorn, Groningen, Netherlands | |
| H: | 6 dec 1900 |
| Winsum, Winsum, Groningen, Netherlands | |
| O: | 1960 |
| Ranum, Winsum, Groningen, Netherlands | |
Klein Verleden - Gegevens onderhouden door Erik.
