Pieter Wybrens van Haga, born in Sneek on June 11, 1853, son of Wybren Reinouts Petrus' van Haga (merchant, tabaksfabrikant (1876/1882), tabakskerver (1885) and tobacco manufacturer) and Baukje Gaastra, tabakskerver (1882/1883) and tobacco manufacturer, died in Watergraafsmeer on May 13, 1916, aged 62 years.

Pieter was married in Bolsward on November 18, 1881, at the age of 28 to
Baukjen de Witte (aged 24 years), born in Oudega on March 9, 1857, daughter of Age Sybrens de Witte (stock farmer) and Tjitske Sybrens Hannema.

• 1 : Age Pieters van Haga, born in Sneek on April 27, 1882.
  

• 2 : Wybren Reinout Pieters van Haga, born in Sneek on April 4, 1883, died in Amsterdam on December 8, 1958, aged 75 years.
  Wybren was married to J.J. Schoon, born circa 1883 (?).
  

• 3 : Age Reinout Pieters van Haga, born in Sneek on January 1, 1885, died in Amsterdam on September 3, 1965, buried in Nieuwe Oosterbegraafplaats, aged 80 years.
  Age was married to N.N., born circa 1885 (?).