Jan Krijnes Bruggema, landbouwer, born in Tjamsweer (gem Appingedam), christened there on February 10, 1760, died in Appingedam on April 9, 1814, aged 54 years, son of Krijne Luitjes and Stijntje Harms.

Jan was married in Tjamsweer (gem Appingedam) on November 25, 1798, at the age of 38 to
Aafke Klaassen (aged 29 years), born in Delfzijl, christened there on November 12, 1769, died after 1828, aged at least 59 years, daughter of Klaas Folkerts and Mina Pieters.

• 1 : Krijne Jans Bruggema, born in Opwierde, christened there on February 16, 1800.
  

• 2 : Mina Jans Bruggema, dienstmeid, born in Opwierde, christened there on August 16, 1801, died in Schildwolde (gem Slochteren) on June 2, 1881, aged 79 years.
  Mina was married in Loppersum on May 3, 1828, at the age of 26 to Pieter Harms Rusthoven (aged 24 years), dagloner and stroodekker, born in Wirdum (gem Loppersum) on September 23, 1803, died in Slochteren on November 29, 1885, aged 82 years, son of Harm Pieters Rusthoven (stroodekker) and IJktje Wildriks.
  

• 3 : Klaas Jans Bruggema, born in Opwierde, christened there on June 17, 1804.
  

• 4 : Luitjen Jans Bruggema, born in Opwierde, christened there on July 31, 1808.
  

• 5 : Pieter Jans Bruggema, born in Opwierde, christened there on July 31, 1808.