Klaas Rintjes de Wal, born circa 1814 (?), farmer, died before May 4, 1870, aged at most 56 years.

Klaas was married to
Tettje Jelles Kleinhuis, born circa 1818 (?), died before May 4, 1870, aged at most 52 years.

• 1 : Baukje Klazes de Wal, born in Wartena on June 15, 1841.
  Baukje was married in Idaarderadeel on May 4, 1870, at the age of 28 to Anne Gerrits Feenstra (aged 30 years), born in Wartena on June 23, 1839, son of Gerrit Ottes Feenstra (bargeman, baker, merchant, merchant and bargeman) and Antje Regnerus Seinstra (seamstress and baker), baker, died in Weidum on November 24, 1874, aged 35 years.