Pieter Wybrens Jouwsma, born in Hennaarderadeel on September 27, 1862, worker and workman.

Pieter was married to
Dirkjen Jouwsma, born in Hennaarderadeel on February 20, 1864, died before May 27, 1911, aged at most 47 years.

• 1 : Baukjen Jouwsma, born in Wommels on October 16, 1889, daily help, died in Wommels on November 9, 1956, aged 67 years.
  Baukjen was married in Hennaarderadeel on May 27, 1911, at the age of 21 to Jitte de Jong (aged 22 years), born in Pingjum on April 25, 1889, son of Douwe Jans de Jong (worker) and Trijntje Jorritsma, workman, died in Wommels on October 13, 1942, aged 53 years.