Tjetje Postma, born in Workum on April 3, 1862.

Tjetje was married to
Jelle Molenaar, born in Workum on January 16, 1861, blacksmith.

• 1 : Sietze Molenaar, born in Workum on March 2, 1894, farrier, died in Nijefurd on August 2, 1987, buried in Workum, aged 93 years.
  Sietze was married in Workum on May 22, 1920, at the age of 26 to Jeltje Feenstra (aged 25 years), born in Nijega on April 8, 1895, daughter of Otte Feenstra (bargeman, steamship captain and stock farmer) and Hitje Kuipers, died in Sneek on March 4, 1976, buried in Workum, aged 80 years.