Harmke Jans Huizinga, born circa 1838 (?).

Harmke was married to
Roel Wijbrens Herder, born circa 1834 (?).

• 1 : Pietje Herder, born in Smallingerland on April 14, 1861.
  Pietje was married (1) to N.N., born circa 1852 (?).
  Pietje was married in Warga on May 17, 1890, at the age of 29 (2) to Abraham Hiemstra (aged 23 years), born in Leeuwarderadeel on September 26, 1866, worker.