Jacobus Knol, born circa 1762 (?), house-husband.

Jacobus was married to
Jantje Jans Wind, born circa 1766 (?).

• 1 : Klaas Jakobus Knol, born in Kolderveen, christened on May 21, 1789, peat cutting supervisor.
  Klaas was married (1) to Hendrikje Willems Meinderts, born circa 1749 (?), died in Terband on September 5, 1821, aged approximately 72 years.
  Klaas was married in Aengwirden on March 1, 1823, at the age of 33 (2) to Hilligje Jakobs van der Klok (aged 25 years), born in Rotsterhaule on January 18, 1798, christened there on February 18, 1798.