
| Lammert Heinstra | |
| G: | 2 feb 1910 |
| Kloosterburen, Kloosterburen, Groningen, Netherlands | |
| O: | 9 mei 1976 |
| Martje Haaima | |
| G: | 8 dec 1910 |
| Leens, Leens, Groningen, Netherlands | |
| H: | 21 nov 1935 |
| Leens, Leens, Groningen, Netherlands | |
| O: | 10 okt 1973 |
| Jan Heinstra | |
| G: | 9 mrt 1866 |
| Ureterp, Opsterland, Friesland, Nederland | |
| O: | 15 feb 1953 |
| Kloosterburen, Kloosterburen, Groningen, Netherlands | |
| Hilje de Graaf | |
| G: | 25 jan 1874 |
| Warfhuizen, Leens, Groningen, Netherlands | |
| H: | 18 apr 1896 |
| Ulrum, Ulrum, Groningen, Netherlands | |
| O: | 6 apr 1958 |
| Kloosterburen, Kloosterburen, Groningen, Netherlands | |
| Roel Baukes Heinstra | |
| O: | Ja, datum echter onbekend |
| Geertje Hotzes van der Kamp | |
| O: | Ja, datum echter onbekend |