Maartje Durks Vermeulen, born circa 1836 (?), died before June 6, 1889, aged at most 53 years.

Maartje was married to
Brugt Jacobs Groenhof, born circa 1832 (?), died before June 6, 1889, aged at most 57 years.

• 1 : Durk Groenhof, born in Koudum on November 20, 1859, bargeman, died in Workum on March 13, 1944, buried there, aged 84 years.
  Durk was married in Hemelumer Oldeferd on June 6, 1889, at the age of 29 to Aaltje Feenstra (aged 23 years), born in Workum on August 30, 1865, daughter of Age Ottes Feenstra (bargeman, shopkeeper and merchant) and Jacoba Johannes de Vries, died on March 20, 1945, buried in Workum, aged 79 years.