Sybren Symons Fokkens, born circa 1790 (?).

Sybren was married to
Geeske Binderts Kleinhuis, born circa 1794 (?).

• 1 : Tetje Sijbrends Fokkens, born in Lemsterland on September 18, 1817, died on November 5, 1896, aged 79 years.
  Tetje was married to Jacob Willems Smits, born in Wymbritseradeel on December 26, 1820, son of Willem Franzes Smits and Akke Jacobs Jelsma, yourneyman ropemaker, died on February 5, 1862, aged 41 years.