Jan Kornelis Maring, born in Uithuizermeeden, christened there on February 27, 1775, died there on December 19, 1831, buried in Oosteinde, son of Cornelis Harms and Bauke Jans.

He was married in Uithuizermeeden on April 16, 1802 in church (1) to
Lijzabeth Klasens Eigendeel, born in Uithuizermeeden, christened there on September 13, 1778, died there on September 8, 1819, daughter of Klaas Jans Eigendeel and Anje Thies.

• 1 : Klaas Jans, born in Uithuizermeeden on February 21, 1803, christened there on February 27, 1803, died there on March 14, 1823.
  

• 2 : Bouke Jans, born in Uithuizermeeden on January 14, 1805, christened there on January 27, 1805, died there on December 27, 1880.
  She was married in Uithuizermeeden on April 25, 1823 to Pieter Geerts Stenhuis, born in Uithuizermeeden on November 21, 1800, christened there on December 7, 1800, died there on March 29, 1870, son of Geert Jan Stenhuis and Hindrikje Pieters.
  

• 3 : Anje Jans, born in Uithuizermeeden on June 5, 1812, died there on January 28, 1903.
  She was married in Uithuizermeeden on March 14, 1832 to Timen Simens Medema, born in Uithuizermeeden, christened there on March 25, 1799, died there on May 20, 1877, son of Simen Wijbrands Medema and Trijntje Timens Bierling.
  

• 4 : Trijntje Jans, born in Uithuizermeeden on February 28, 1815, died there on June 5, 1818.
  

• 5 : Kornelis Jans, born in Uithuizermeeden on April 14, 1817, died there on August 2, 1886, buried in Oosteinde.
  He was married in Uithuizermeeden on March 12, 1845 (1) to Reinje Ties Oosterhuis, born in Uithuizermeeden on April 20, 1825, died there on July 13, 1853, buried in Oosteinde, daughter of Ties Jans Oosterhuis and Alstje Jans Rijpma.
  He was married in Uithuizermeeden on December 29, 1858 (2) to Hilje Alberts van Vennen, born in Uithuizermeeden on May 21, 1822, died there on December 24, 1873, buried in Oosteinde, daughter of Albert Jans van Vennen and Grietje Wijbrands Bakker.
  He was married in Uithuizermeeden on April 28, 1877 (3) to Reinje Berghuis, born in Uithuizermeeden on January 4, 1820, died there on May 22, 1907, daughter of Pieter Jans Berghuis and Janna Gerrits Olthof.
  (She was married before in Uithuizermeeden on November 27, 1841 to Hindrik Cornelis Klein, born in Uithuizermeeden on September 26, 1815, died there on January 7, 1871, son of Cornelis Jans Klein and Anja Hindriks.)
  

He was married in Uithuizermeeden on December 5, 1827 in church (2) to
Aaltje Jakobs Bos, born in Uithuizermeeden on December 8, 1782, died there on May 17, 1852, daughter of Jakob Willems Bos and IJtje Pieters Bos.
(She was married before in Uithuizermeeden on December 23, 1804 in church to Willem Jans Boomker, born in Uithuizermeeden circa 1778, died there on August 21, 1826.)