Ruurdtje Tjipkes Vellinga, born circa 1826 (?).

Ruurdtje was married to
Gerrit Wybes Wykel, born circa 1822 (?).

• 1 : Sijke Wykel, born in Franekeradeel on August 20, 1849, died in Harlingen on March 8, 1933, aged 83 years.
  Sijke was married in Franekeradeel on February 7, 1870, at the age of 20 to Harke Taekema (aged 29 years), born in Menaldumadeel on October 11, 1840, son of Taeke Harkes Taekema and Lijsbert Jans Alberda, dock hand, died after August 16, 1900, aged at least 59 years.