Jacob Bastiaan, born in Wilsum on August 1, 1754, son of Gerrit Bastiaan and Aaltje Blaauw.

Jacob was married to
Janny Warners, died in Wilsum on February 12, 1808.

• 1 : Warner Bastiaan, boerenknecht, born in Wilsum on December 15, 1776.
  Warner was married to Jantina Brands, boerenmeid, born in Oosterwolde on April 26, 1778, daughter of Brand Jans and Grietje Teunis.