Folkert Johannes van der Vliet, born circa 1804, worker, died in Franeker on January 29, 1832, aged approximately 28 years.

Folkert was married in Franeker on November 1, 1818, at the age of approximately 14 to
Simkje Barteles van der Form (aged approximately 25 years), born in Franeker circa 1793, woman worker, died in Franeker on September 27, 1857, aged approximately 64 years.

• 1 : Setske Folkerts van der Vliet, born in Franeker on April 11, 1820, daily help, died in Harlingen on January 4, 1847, aged 26 years.
  Setske was married in Franekeradeel on October 1, 1842, at the age of 22 to Rients Pieters Tigchelaar (aged 26 years), born in Koningsburen on September 20, 1816, son of Pieter Rientses Tigchelaar (worker and tilebaker's hand) and Metje Jans de Jong, former, tilebaker, yourneyman tiler, workman, tileworker and bargeman, died between March 21, 1878 and December 31, 1878, aged 61 years to 62 years.
  Rients was married afterwards in Harlingen on April 15, 1847, at the age of 30 to Jetske Inses Dijkstra (aged 28 years), born in Bolsward on September 7, 1818, daughter of Inse Douwes Dijkstra (tilebaker's hand) and Douwtje Gosses de Haan.
  

• 2 : Johanna Folkerts van der Vliet, born in Franeker on December 18, 1824.
  

• 3 : Johannes Folkerts van der Vliet, born in Franeker on July 5, 1827.
  

• 4 : Jetske Folkerts van der Vliet, born in Franeker on January 2, 1830, woman worker, died in Midlum on January 17, 1905, aged 75 years.
  Jetske was married in Franekeradeel on March 10, 1851, at the age of 21 to Gerrit Tigchelaar (aged 22 years), born in Midlum on December 5, 1828, son born out of wedlock of Evert Gerrits van der Linden and Fraukje Tjerks Tigchelaar (maid servant, maid servant, woman worker and peat tallier), worker, tilebaker and tilebaker's hand, died in Midlum on October 22, 1890, aged 61 years.