Japke Dirks Ruim, born in Wonseradeel on October 27, 1836, daughter of Dirk Rinses Ruim and Trijntje Tjerks de Vries, died there on January 19, 1912, aged 75 years.

Japke was married in Wonseradeel on April 21, 1859, at the age of 22 to
Klaas Jans Helfrich (aged 27 years), born in Wonseradeel on April 16, 1832, son of Jan Frederiks Helfrich and Trijntje Klazes Fortuin, worker and worker, died in Wonseradeel on September 14, 1913, aged 81 years.

• 1 : Trijntje Klazes Helfrich, born in Wonseradeel on February 11, 1859.
  

• 2 : Dirk Klazes Helfrich, born in Wonseradeel on December 25, 1860.
  

• 3 : Klaaske Klazes Helfrich, born in Kimswerd on October 22, 1863, died in Tzummarum on December 1, 1947, aged 84 years.
  Klaaske was married in Wonseradeel on July 9, 1887, at the age of 23 (1) to Auke Deinum (aged approximately 26 years), born circa 1861 (?).
  Klaaske was married in Barradeel on September 20, 1919, at the age of 55 (2) to Klaas Rommerts Tigchelaar (aged 63 years), born in Wijnaldum on August 24, 1856, son of Rommert Klases Tigchelaar (farmhand and worker) and Baukje Jans Dijkstra (woman worker), worker, died in Wijnaldum on March 22, 1942, aged 85 years.
  Klaas was married before in Barradeel on May 20, 1882, at the age of 25 to Jantje van der Zee (aged 23 years), born in Midlum on March 31, 1859, daughter of Sybren Jacobs van der Zee (worker) and Geertje Abrahams Boonstra (woman worker), died in Midlum on March 26, 1918, aged 58 years.
  

• 4 : Jan Klazes Helfrich, born in Wonseradeel on October 15, 1865.
  

• 5 : Frans Klazes Helfrich, born in Wonseradeel on November 15, 1867.
  

• 6 : Katrinus Helfrich, born in Wonseradeel on June 11, 1870.
  

• 7 : Catharinus Helfrich, born in Wonseradeel on November 9, 1872.
  

• 8 : Tietje Helfrich, born in Wonseradeel on January 22, 1875.
  

• 9 : Marijke Helfrich, born in Wonseradeel on November 15, 1876.
  

• 10 : Meindert Helfrich, born in Wonseradeel on November 2, 1879.