Klaas van Maren, born circa 1831 (?).

Klaas was married to
Adriaantje van Beek, born circa 1835 (?).

• 1 : Carel van Maren, born circa 1858 (?), Corporal state police.
  Carel was married (1) to Marijke Postma, born circa 1858 (?), died before October 1, 1884, aged at most 26 years.
  Carel was married in Assen on October 1, 1884, at the age of approximately 26 (2) to Hillegonda Yntzes de Boer (aged approximately 57 years), born circa 1827, daughter of Ynze Louwrens de Boer (coppersmith) and Feikje Everts de Reus.
  Hillegonda was married before in Leeuwarden on June 13, 1872, at the age of approximately 45 to Gerrit Rienstra (aged approximately 31 years), born circa 1841, died in Leeuwarden on September 14, 1878, aged approximately 37 years.