Jan Robijns Arbeider, 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 in Arum on May 14, 1775 in church, at the age of 27 (1) 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.

Jan was married in Arum on May 19, 1777 in church, at the age of 29 (2) to
Jeltje Gerrits de Jong (aged approximately 25 years), born in Arum circa 1752, daughter of Gerrit Douwes and N.N., died in Tzum on March 10, 1827, aged approximately 75 years.

• 1 : Robijn Jans, born in Arum on March 20, 1778, christened there on March 29, 1778, died before 1789, aged at most 11 years.
  

• 2 : Tettje Jans Arbeider, born in Arum on October 16, 1781, christened there on November 4, 1781, died in Winsum on February 24, 1848, aged 66 years.
  Tettje was married before 1806, at the age of at most 25 to Andries Murks van Gorkum (aged at most 28 years), born circa 1778, son of Murk Jetses van Gorkum and Pietje Andries de Vries, worker and cabbage grower, died in Franeker on July 29, 1838, aged approximately 60 years.
  

• 3 : Froukje Jans Arbeider, born in Arum on August 29, 1783, christened there on September 14, 1783, maid servant, died in Franeker on March 31, 1837, aged 53 years.
  Froukje was married in Franekeradeel on June 14, 1812, at the age of 28 to Tiete Willems Kooistra (aged 24 years), born in the year 1788, son of Willem Sierks Kooistra (lock-keeper) and Gettje Tietes, worker and farmer, died in Franeker on April 5, 1837, aged 49 years.
  

• 4 : Wytske Jans Arbeider, born in Arum on October 5, 1786, christened there on October 22, 1786, died in Winsum on December 30, 1863, aged 77 years.
  Wytske was married in Dronrijp on June 19, 1814, at the age of 27 to Minne Ales van der Wal (aged approximately 23 years), born circa 1791, son of Ale Takes and Yttje Wybes, shoemaker, died in Winsum on February 8, 1874, aged approximately 83 years.
  

• 5 : Robijn Jans Arbeider, born in Arum on September 6, 1789, worker and worker, died in Arum on May 15, 1862, aged 72 years.
  Robijn was married in Franekeradeel on June 4, 1820, at the age of 30 to Saackjen Gialts Kooistra (aged 23 years), born in Wommels in the year 1797, daughter of Gialt Doedes Kooistra (worker) and Maaike Jelles, died in Arum on June 29, 1848, aged 51 years.