Trijntje Douwes, born circa 1748 (?), died in Terschelling, buried there on April 14, 1796, aged approximately 48 years.

Trijntje was married to
Nicolaas Pieters Schenkius, born circa 1762 (?), ondernemer van Publieke verkopingen, died in Harlingen on April 27, 1829, aged approximately 67 years.

• 1 : Pieter Schenkius, born in Terschelling circa 1793, surgeon, died in Harlingen before December 27, 1857, aged at most 64 years.
  Pieter was married in Harlingen on November 11, 1830, at the age of approximately 37 to Tjettje Haayes Tichelaar (aged 31 years), born in Harlingen on July 1, 1799, christened there on May 25, 1800, daughter of Haaye Gerbens (vleeschhouwer) and Idscke Reins Tichelaar (baker), housekeeper, died in Harlingen on December 27, 1857, aged 58 years.
  Tjettje was married before in Harlingen on August 24, 1823, at the age of 24 to Gerrit Schukking (aged 30 years), born in Groningen in the year 1793, son of Berend Jelles Schukking and Hitje Jans Smit, sailor, died on April 5, 1829, aged 36 years.