Tjeerd Kobus van Dijk, born circa 1827, worker.

Tjeerd was married to
Fogeltje Fokkes Dijkema, born circa 1846 (?).

• 1 : Rigtje van Dijk, born in Idaard on August 12, 1869, died in Rauwerd on April 17, 1915, aged 45 years.
  Rigtje was married in Rauwerd on September 25, 1890, at the age of 21 to Otte Rients Sybrandy (aged 29 years), born in Rauwerd on September 23, 1861, son of Rients Durks Sybrandy and Sijttje Ottes Feenstra, farmer, died in Rauwerd on December 2, 1926, aged 65 years.