Albert Cornelis Koopal, born circa 1803 (?).

Albert was married to
Antje Fokkes Spar, born circa 1807 (?).

• 1 : Anne Alberts Koopal, born circa 1830 (?).
  Anne was married in Menaldumadeel on January 23, 1856, at the age of approximately 26 to Aafke Lubberts van Wieren (aged 37 years), born in Rijperkerk on December 25, 1818, daughter of Lubbertus Gerbens van Wieren and Baukje Egberts Westra (maid servant), died in Bergum on June 11, 1870, aged 51 years.
  Aafke was widow of Jan Thijsses Bouma, born circa 1801 (?), son of Thijs Simons Bouma and Trijntje Jans Dijkstra, died in Menaldumadeel on September 21, 1854, aged approximately 53 years.