Sjoerdtje de Jong, born in Arum on August 14, 1869, daughter of Jelle Robijns de Jong and Tjitske Feikes Bergsma (maid servant), maid servant, died in Wommels on September 23, 1899, aged 30 years.

Sjoerdtje was married in Hennaarderadeel on May 14, 1892, at the age of 22 to
Eeltje Tjerks Smidstra (aged 26 years), born in Wommels on July 4, 1865, son of Tjerk Eeltjes Smidstra (worker) and Durkjen Johannes Hoekstra, farmer's hand and worker, died in Wommels on September 26, 1945, aged 80 years.
Eeltje was married afterwards in Hennaarderadeel on August 31, 1901, at the age of 36 to Willemke Alkema (aged 32 years), born in Warns on June 3, 1869, daughter of Minne Ymes Alkema (gardener's man) and Trijntje Jacobs de Jong, died in Hennaarderadeel on October 22, 1948, aged 79 years. Willemke was widow of Asse Mooijweer, born circa 1829 (?), died in Ouder-Amstel on January 6, 1899, aged approximately 70 years.

• 1 : Tjitske Smidstra, born in Burgwerd on May 14, 1893.
  Tjitske was married in Franeker on May 14, 1914, at the age of 21 to Dirk Tamminga (aged 23 years), born in Franeker on April 11, 1891, son of Jacob Tamminga (merchant) and Beike van den Berg, merchant.
  

• 2 : Tjerk Smidstra, born in Wommels on November 10, 1894.