| Pieters Jans Kuiper (1793 - ) |
Jacobus Drewes Werkman (1791 - 1867) |
| Fokeltje Derks Hoek (~1794 - ) |
Anje Sijmens Berghuis (1797 - 1858) |
| Jan Pieters Kuiper | Jantje Jacobus Werkman |
| b. 1818, Usequert d. 9 Aug 1879, Bedum bur. occ. edu. rel. |
b. 17 Oct 1823, Rottum d. bur. occ. edu. rel. |
| Spouses: 1, 2 |
| Anje Kuiper Grietje Kuiper Fokelina Kuiper |