• Elisabeth Visbeek1889
  • Zwaantje Fokkes Kooistra(1890–1971)
  • Gerrit Fokkes Kooistra(1891–1891)
  • Ybeltje Fokkes Kooistra(1893–)
  • Anne Fokkes Kooistra(1894–)
  • Ytje Fokkes Kooistra(1896–)
  • Gerrit Fokkes Kooistra(1898–1906)
  • Fokje Maaike Kooistra(1902–)