Pier Jans van Arum, born circa 1794, workman, peat bearer, zoutdrager and zoutweger, died in Harlingen on March 15, 1834, aged approximately 40 years.

Pier was married in Harlingen on November 11, 1813, at the age of approximately 19 to
Trijntje Jacobs de Vries (aged approximately 21 years), born circa 1792, died in Harlingen on January 1, 1839, aged approximately 47 years.

• 1 : Ytje Piers van Arum, born in Harlingen on May 8, 1814.
  

• 2 : Angnietje Piers van Arum, born in Harlingen on March 15, 1816, died there on June 4, 1864, aged 48 years.
  Angnietje was married in Harlingen on March 28, 1839, at the age of 23 to Pieter Hendriks Riem (aged approximately 24 years), born circa 1815, dock hand, died in Harlingen on January 4, 1885, aged approximately 70 years.
  

• 3 : Jan Piers van Arum, born in Harlingen on June 25, 1817.
  

• 4 : Jacob Piers van Arum, born in Harlingen on March 11, 1820.
  

• 5 : Elisabeth Piers van Arum, born in Harlingen on December 6, 1823.