Popkjen Martens, born circa 1740 (?), died before November 1, 1821, aged at most 81 years.

Popkjen was married in Eernewoude on November 21, 1762 in church, at the age of approximately 22 to
Hoite Uiltjes (aged 24 years), christened in Eernewoude on October 5, 1738, son of Uilke Hoites and Antje Eebles.

• 1 : Uiltje Hoytes Veenema, christened in Eernewoude on September 25, 1763, peat cutting supervisor, died in Wartena on September 11, 1829, aged 65 years.
  Uiltje was married in Wartena on November 19, 1786 in church, at the age of 23 (1) to Feikjen Wybes Feenstra (aged 21 years), born in Eernewoude on May 1, 1765, christened there on May 19, 1765, daughter of Wybe Baukes and Gerlske Ottes, died there on January 16, 1820, aged 54 years.
  Uiltje was married in Tietjerksteradeel on November 1, 1821, at the age of 58 (2) to Grietje Alefs van der Schaaf (aged 42 years), born in Eernewoude on June 5, 1779, christened there on August 22, 1779, daughter of Alef Louws and Jeltje Ottes, died there on January 29, 1867, aged 87 years.
  Grietje was married before in Eernewoude on January 20, 1799 in church, at the age of 19 to Piebe Baukes (aged 28 years), born in Eernewoude on November 20, 1770, christened there on December 26, 1770, son of Bauke Piebes and Gerlske Baukes, died there on July 15, 1810, aged 39 years.