Gerrit Douwes, born in the year 1720.

Gerrit was married to
N.N., born circa 1729 (?).

• 1 : Jeltje Gerrits de Jong, born in Arum circa 1752, died in Tzum on March 10, 1827, aged approximately 75 years.
  Jeltje was married in Arum on May 19, 1777 in church, at the age of approximately 25 to Jan Robijns Arbeider (aged 29 years), born in Arum in the year 1748, son of Robijn Jetses and Froukje Jans, worker, died in Tzum on January 29, 1814, aged 66 years.
  Jan was married before in Arum on May 14, 1775 in church, at the age of 27 to Wypkjen Klazes (aged approximately 26 years), born circa 1749, daughter of Claas Durc and N.N., died before May 19, 1777, aged at most 28 years.