1886 - 
1953-2007
| Sibrand Heijs | |
| G: | 14 jan 1953 |
| Bedum | |
| O: | 17 jun 2007 |
| Hooghalen | |
1957-2002
| Josina Heijs | |
| G: | 3 jun 1957 |
| Bedum | |
| O: | 10 jul 2002 |
| Rijnsburg | |
1915-1994
| Annechien Ubels | |
| G: | 15 aug 1915 |
| Assen | |
| O: | 31 jan 1994 |
| Assen | |
1910-1979
| Sieger Heijs | |
| G: | 1910 |
| Sint Annen | |
| O: | 1979 |
| Groningen | |
1916-1990
| Gijsbert Pieter Ubels | |
| G: | 27 sep 1916 |
| Assen | |
| O: | circa 1990 |
| Nieuw-Zeeland | |
1917-1942
| Johanna Wilhelmina Ubels | |
| G: | 4 nov 1917 |
| Assen | |
| O: | 20 jan 1942 |
| Leeuwarden | |
1919-1999
| Hendrik Sibrand Ubels | |
| G: | 16 mei 1919 |
| Assen | |
| O: | 9 dec 1999 |
| Nieuw Zeeland | |
1926-1990
| Christiaan August Coenraad Ubels | |
| G: | 24 mrt 1926 |
| Assen | |
| O: | 4 sep 1990 |
| New Zealand | |
1927-2004
| Antje Ubels | |
| G: | 12 jul 1927 |
| O: | 6 mrt 2004 |
|
1886-
| Johanna Wilhelmina Damen | |
| G: | 16 nov 1886 |
| Amsterdam | |
| Sibrand Ubels | |
| H: | 8 mei 1914 |
| Assen | |
| Sibrand Ubels | |
| H: | 27 mrt 1936 |
| Winterswijk | |
