Jan Annes Mulder, born circa 1853, journeyman baker, died before April 19, 1902, aged at most 49 years.

Jan was married to
Wipke Klazes Veenstra, born circa 1855 (?), died before April 19, 1902, aged at most 47 years.

• 1 : Klaas Mulder, born in Surhuisterveen on February 20, 1878, baker, died in Nijega on January 26, 1935, aged 56 years.
  Klaas was married in Smallingerland on April 19, 1902, at the age of 24 (1) 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.
  Klaas was married after February 19, 1921, at the age of at least 42 (2) to Rinske Feenstra (aged at least 44 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 before in Idaarderadeel on May 21, 1904, at the age of 27 to Age Hempenius (aged 27 years), born in Wartena on February 17, 1877, son of Tjerk Rienks Hempenius (bargeman) and Boukje Harmens de Haan, merchant and shopkeeper, died in Wartena on February 19, 1921, aged 44 years.