Frouwkje Smeding, born circa 1851 (?).

Frouwkje was married to
Popke Kooi, born circa 1847 (?), baker.

• 1 : Jacob Kooi, born in Kollum on December 22, 1874, blacksmith, died in Purmerend on July 21, 1948, aged 73 years.
  Jacob was married in Kollumerland on May 5, 1900, at the age of 25 to Antje Feenstra (aged 26 years), born in Wartena on March 10, 1874, daughter of Wytze Gerrits Feenstra (barge hand, merchant and shopkeeper) and Grietje Martens Veenema, died in Venhuizen on December 22, 1952, aged 78 years.