
![]() | Hendrik Willem van Calker |
| Hendrik Willem van Calker | |
| G: | 5 jan 1908 |
| Winsum, Winsum, Groningen, Netherlands | |
| O: | 21 nov 1985 |
![]() | Klasina de Graaf |
| 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 |
| Willem van Calker | |
| G: | 1874 |
| Winsum, Winsum, Groningen, Netherlands | |
| O: | 1957 |
| Groningen, Groningen, Groningen, Nederland | |
![]() | Ebeltje Jonkman |
| Ebeltje Jonkman | |
| G: | 1874 |
| Zuidhorn, Zuidhorn, Groningen, Netherlands | |
| H: | 6 dec 1900 |
| Winsum, Winsum, Groningen, Netherlands | |
| O: | 1960 |
| Ranum, Winsum, Groningen, Netherlands | |