Godert Posthumus, born circa 1800 (?).

Godert was married to
Trijntje Wigles Gorter, born circa 1804 (?).

• 1 : Dieuwke Posthumus, born in Harlingen on March 16, 1827.
  Dieuwke was married in Harlingen on May 17, 1849, at the age of 22 (1) to Hendrik Jans Horjus (aged 27 years), born in Harlingen on June 14, 1821, son of Jen Jelles Horjus (meester smid) and Wijke Hendriks Kroese, blacksmith, died in Harlingen on November 8, 1855, aged 34 years.
  Hendrik was married before in Harlingen on June 9, 1844, at the age of 22 to Johanna Meintes Tichelaar (aged 23 years), born in Harlingen on September 15, 1820, daughter of Meinte Heerts Tichelaar (carpenter, timmermansknegt, huistimmerman, meester timmerman and huistimmerknecht) and Mettje Johannes Godthelp (grocer), died in Harlingen on January 6, 1847, aged 26 years.
  Dieuwke was married at the same time in Harlingen on April 22, 1853, at the age of 26 (2) to Jelle Horjus (aged approximately 23 years), born circa 1830 (?).