Douwe Gerrits de Vries, born circa 1812 (?).

Douwe was married to
Fetske Douwes Dijkstra, born circa 1816 (?).

• 1 : Hijlkje de Vries, born in Barradeel on September 22, 1839, died before June 4, 1888, aged at most 48 years.
  Hijlkje was married in Barradeel on June 7, 1861, at the age of 21 to Sjouke Boonstra (aged 21 years), born in Harlingen on December 2, 1839, son of Sije Sybes Boonstra and Marijke Jans Noordkamp, longshoreman, died before June 4, 1888, aged at most 48 years.