Dirk Piers van Arum, born circa 1762, died in Harlingen on March 8, 1831, aged approximately 69 years.

Dirk was married to
Grietje Siebrens Sleeper, born circa 1766, died in Harlingen on September 1, 1828, aged approximately 62 years.

• 1 : Anna Dirks van Arum, born in Harlingen on March 17, 1804, daily help, died in Harlingen on February 5, 1870, aged 65 years.
  Anna was married in the year 1826, at the age of 22 (1) to Willem Reitsma (aged approximately 27 years), born circa 1799 (?).
  Anna was married in the year 1830, at the age of 26 (2) to Petrus Steensma (aged approximately 27 years), born circa 1803 (?).
  Anna was married at the same time in the year 1832, at the age of 28 (3) to Dirk Sleeper (aged approximately 27 years), born circa 1805 (?).
  Anna was married in Harlingen on April 27, 1843, at the age of 39 (4) to Hille Harmens Bandsma (aged 47 years), born in Harlingen in the year 1796, workman, died in Veenhuizen Leeuwarden on April 8, 1848, aged 52 years.
  Hille was married before to Aldegonda Kelder, born circa 1795, died in Harlingen on July 18, 1834, aged approximately 39 years. Aldegonda was married afterwards in Harlingen on June 3, 1821, at the age of approximately 26 to Hille Harmens Bandsma, born in Harlingen in the year 1796. Hille was married before in Harlingen on June 3, 1821, at the age of 25 to Aldegonda Kelder, born circa 1795.