| | Gerbrigje Kooistra 1897–1994 | | |
Zwaantje Kooistra 1900–1986 | | |
| | Maaike Kooistra 1907–1996 Bartele Tjipke van der Werff 1900–1977 | | |
| | Japke Wietske van der Velde – | | |
| | Johannes Hendrik Kooistra – | | |
Frederik Willem Kooistra – | | |
| | Jacoliene Francina Kooistra – Eduard Cornelis Herman Popken – | | |
| | | | |
| | Trijntje Joukes Schat 1871–1967 Boele Annes Kooistra 1868–1953 | | |
| | Jouke Pieters Schat 1835–1911 Gerbrigje Dirks Kuik 1833–1902 | | |