Tjerk Rienks Hempenius, born circa 1844, bargeman.

Tjerk was married to
Boukje Harmens de Haan, born circa 1854 (?).

• 1 : Age Hempenius, born in Wartena on February 17, 1877, merchant and shopkeeper, died in Wartena on February 19, 1921, aged 44 years.
  Age was married in Idaarderadeel on May 21, 1904, at the age of 27 to Rinske Feenstra (aged 27 years), born in Wartena on December 21, 1876, daughter of Wytze Gerrits Feenstra (barge hand, merchant and shopkeeper) and Grietje Martens Veenema, housekeeper, died in Veenwouden on October 18, 1955, aged 78 years.
  Rinske was married afterwards after February 19, 1921, at the age of at least 44 to Klaas Mulder (aged at least 42 years), born in Surhuisterveen on February 20, 1878, son of Jan Annes Mulder (journeyman baker) and Wipke Klazes Veenstra, baker, died in Nijega on January 26, 1935, aged 56 years. Klaas was married before in Smallingerland on April 19, 1902, at the age of 24 to Janke de Vries (aged approximately 20 years), born in Dragten circa 1882, daughter of Harmen Martens de Vries and Dieke Hoekstra, died in Nijega on May 31, 1920, aged approximately 38 years.