Sytske Postma, born in Tjerkwerd on May 19, 1847, daughter of Tjamke Jans Postma and Tjitsche Johannes Reimin.

Sytske was married in Wonseradeel on May 10, 1873, at the age of 25 to
Jan Sjoukes Gaaljema (aged 31 years), born in Almenum on June 27, 1841, son of Sjouke Jans Gaaljema (worker) and Lysbeth Jorkes Westra.
Jan was married before in Wonseradeel on May 16, 1868, at the age of 26 to Trijntje Feikes Bergsma (aged 24 years), born in Tzum on August 27, 1843, daughter of Feike Franses Bergsma (shoemaker, worker and shoemaker's hand) and Riemkje Sjoerds Bijlsma, died in Arum on April 8, 1871, aged 27 years.

• 1 : Tjitske Gaaljema, born in Wonseradeel on December 2, 1874.
  

• 2 : Jorke Gaaljema, born in Wonseradeel on January 27, 1877.
  

• 3 : Elisabeth Gaaljema, born in Wonseradeel on April 8, 1879.
  

• 4 : Douwe Gaaljema, born in Wonseradeel on October 2, 1881.
  

• 5 : Jouwe Gaaljema, born in Wonseradeel on December 31, 1883.
  

• 6 : Pietje Gaaljema, born in Wonseradeel on February 25, 1886.
  

• 7 : Tjamke Gaaljema, born in Wonseradeel on December 31, 1888.