Klaas Wijbrens, born in the year 1720, tilebaker.

Klaas was married to
Geertje Jans, born in the year 1726.

• 1 : Berber Klaases, born in Almenum circa 1752, christened in Harlingen on January 26, 1798, died in Midlum on June 12, 1827, aged approximately 75 years.
  Berber entered a notice of marriage on September 16, 1775. She was married on October 1, 1775 in church, at the age of approximately 23 (1) to Gerben Hanses (aged approximately 26 years), born circa 1749 (?), died before 1797, aged at most 48 years.
  Berber was married in Midlum on March 26, 1797 in church, at the age of approximately 45 (2) to Tjerk Robijns Tichelaar (aged 43 years), born on January 12, 1754, christened in Arum on March 23, 1755, son of Robijn Jetses and Froukje Jans, worker and farmhand, died in Almenum on May 24, 1812, aged 58 years.
  Tjerk was married before in Arum on May 19, 1782 in church, at the age of 28 to Tjetske Klases (aged approximately 36 years), born circa 1746, daily help, died in Midlum on February 7, 1795, buried there on February 13, 1795, aged approximately 49 years.
  

• 2 : Wybren Klaazen, born circa 1754, christened in Harlingen on January 27, 1775.