
| Marten Piersma | |
| G: | 25 sep 1858 |
| Opende (Grootegast) | |
| O: | 8 aug 1940 |
| Grand Rapids (MI, USA) | |
| Aaltje Buist | |
| G: | 22 apr 1873 |
| Oldehove | |
| H: | 22 jul 1899 |
| Grand Rapids (MI, USA) | |
| O: | 13 dec 1959 |
| Grand Rapids (MI, USA) | |
| Aldert Harms Piersma | |
| O: | Ja, datum echter onbekend |
| Johanna Pel | |
| O: | Ja, datum echter onbekend |