1887-1977
| Grietje Alsma | |
| G: | 27 apr 1887 | 
| Groningen | |
| O: | 11 jul 1977 | 
| Amersfoort | |
 1888-25 okt
| Geert Alsma | |
| G: | 12 dec 1888 | 
| Groningen | |
| O: | 25 okt | 
| Remscheid (Dld) | |
 1890-
| Albertje Alsma | |
| G: | 6 jan 1890 | 
| O: | Geleen | 
 1892-1977
| Jantina Alsma | |
| G: | 26 dec 1892 | 
| Nispen | |
| O: | 7 apr 1977 | 
| Haren | |
 1902-1943
| Jan Frederik Alsma | |
| G: | 28 jul 1902 | 
| Venlo | |
| O: | 26 feb 1943 | 
| Geleen | |
  | 
 1861-1941
| Wupke Main | |
| G: | 29 sep 1861 | 
| Nieuwolda | |
| O: | 17 mrt 1941 | 
| Beek (Limburg) | |
| J.F. Alsma | |
| H: | 25 nov 1886 | 
| Groningen | |