Jantje Jochums Loonstra, born circa 1847 (?).

Jantje was married to
Alle Klazes Wedzinga, born circa 1843 (?).

• 1 : Aaltje Alles Wedzinga, born on August 13, 1870.
  Aaltje was married on July 8, 1893, at the age of 22 to Rinze Egberts van Wieren (aged 35 years), born on April 30, 1858, son of Egbert Lubbers van Wieren and Sijke Jans de Jong, died in Noordbergum on July 1, 1934, aged 76 years.
  Rinze was married before in Dantumadeel on May 14, 1887, at the age of 29 to Tietje Minnes van der Wal (aged 25 years), born in Dantumadeel on May 24, 1861, daughter of Minne Thijsses van der Wal and Froukje Romkes van der Veen, died in Tietjerksteradeel on May 3, 1892, aged 30 years.