Grietje Jans Sietzes, born circa 1767 (?).

Grietje was married in Eernewoude on March 22, 1789 in church, at the age of approximately 22 to
Bauke Errits de Vries (aged 31 years), christened in Eernewoude on March 28, 1757, son of Errit Harmens and Baukje Baukes.

• 1 : Jerrit Baukes de Vries, born in Opeinde on November 15, 1791, christened in Rottevalle on December 4, 1791, died in Leeuwarden on February 9, 1844, aged 52 years.
  Jerrit was married in Leeuwarden on March 26, 1815, at the age of 23 (1) to Ruurdtje Johannes Reinders (aged approximately 22 years), born circa 1793 (?).
  Jerrit was married in Leeuwarden on March 24, 1841, at the age of 49 (2) to Antje Annes van der Ley (aged approximately 27 years), born circa 1814, died in Leeuwarden on July 24, 1885, aged approximately 71 years.
  

• 2 : Jan Baukes de Vries, born in IJlst on April 14, 1793, christened there on December 16, 1793.
  

• 3 : Bouke Baukes de Vries, born in Eernewoude on May 12, 1798, christened in Grouw on May 27, 1798.
  

• 4 : Sybren Baukes de Vries, born in Grouw circa 1803.
  Sybren was married in Idaarderadeel on August 15, 1835, at the age of approximately 32 to Aefje Sybrens Timmermans (aged approximately 25 years), born in Wartena circa 1810, daughter of Sybren Klazes Timmermans and Jitske Ales.