Harm Derks, died in 't Zandt on July 28, 1775, son of N.N. and Jantje Jans.

He was married in Uithuizermeeden on April 13, 1770 to
Antje Harms, born in Uithuizermeeden, christened there on October 28, 1753, died in Weiwerd on June 22, 1806, daughter of Harm Cornelis and Jantjen Jans.
(She was married afterwards in Weiwerd on January 12, 1792 to Jan Geerts.)

• 1 : Harm Cornelis, born in 't Zandt, christened there on February 19, 1775, died in Baflo (huis 24) on July 27, 1826.
  He was married in Uithuizermeeden on November 15, 1801 (1) to Antje Jans, born in Uithuizermeeden on March 14, 1777, died in Oldenzijl on October 28, 1814, daughter of Jan Eltjes and Geertje Jacobs.
  He was married in Baflo on October 15, 1815 (2) to Trijntje Sierts, born in Uithuizen on February 10, 1783, died in Tinallinge (gem Baflo) on July 16, 1860, daughter of Siert Pieters and Martje Freerks.
  (She was widow of Sijmen Geerts Berghuis, born circa 1766, died in Tinallinge (gem Baflo) on July 18, 1814.)