Harm Kornelis Oosterhof, christened in Uithuizermeeden on November 7, 1762, died there on September 4, 1831, son of Kornelis Berents Oosterhof and Grietje Harms.

He was married in Uithuizermeeden on May 9, 1790 to
Reinje Jans Oosterhuis, christened in Uithuizermeeden on December 6, 1767, died there, daughter of Jan Jacobs and Grietje Tijes.

• 1 : Korneliske Harms, born in Uithuizermeeden on March 8, 1801, died in 't Zandt on January 10, 1890.
  She was married in Uithuizermeeden on December 2, 1820 to Pieter Rieuwerts Buitenwerf, christened in Oosternieland (gem Uithuizermeeden) on January 12, 1799, died in Siddeburen (gem Slochteren) on December 10, 1863.
  

• 2 : Trijntje Harms, born in Uithuizermeeden on June 1, 1803, died there on August 2, 1842.
  She was married on May 29, 1824 to Jan Ties Oosterhuis, born in 't Zandt on April 29, 1798, died in Uithuizermeeden on December 16, 1871, son of Ties Jans Oosterhuis and Jantje Remges.
  (He was married afterwards in Uithuizermeeden on November 21, 1846 to Meentje Maria Elisabeth Reents, born in Esens in the year 1811.)