Abraham Gerrijts Boonstra, born circa 1786 (?).

Abraham was married to
Trijntje Gerrijts Boonstra, born circa 1790 (?).

• 1 : Geertje Abrahams Boonstra, born in Sexbierum on June 5, 1813, woman worker, died in Franekeradeel on January 21, 1890, aged 76 years.
  Geertje was married to Sybren Jacobs van der Zee, born circa 1815, worker, died in Franekeradeel on August 25, 1863, aged approximately 48 years.