Hendrik Jogchums Loonstra, born circa 1825, worker, died before May 14, 1898, aged at most 73 years.

Hendrik was married to
Jeltje Mients Veenstra, born circa 1847 (?).

• 1 : Aaltje Loonstra, born in Dragten on December 23, 1870, died in Haskerhorne on January 30, 1951, aged 80 years.
  Aaltje was married in Idaarderadeel on May 14, 1898, at the age of 27 to Hendrik Feenstra (aged 32 years), born in Wartena on March 19, 1866, son of Otte Gerrits Feenstra (barge hand and worker) and Hinke Hinnes de Jong, farmer's hand, worker, milkbargeman and worker.