Klaaske Radsma, born circa 1775 (?), died in Harlingen on February 25, 1832, aged approximately 57 years.

Klaaske was married to
Jan van der Brug, born circa 1779, meester blikslager.

• 1 : Zytze Jans van der Brug, born in Harlingen on January 5, 1814, house painter and house-painter.
  Zytze was married in Harlingen on May 24, 1838, at the age of 24 to Grietje Meintes Tichelaar (aged 23 years), born in Harlingen on March 25, 1815, daughter of Meinte Heerts Tichelaar (carpenter, timmermansknegt, huistimmerman, meester timmerman and huistimmerknecht) and Mettje Johannes Godthelp (grocer), died in Harlingen on June 26, 1841, aged 26 years.