Jakob Berends, born in Uithuizen, christened there on July 11, 1751, son of Berent Harms and Trijnje Jacobs.

Jakob was married in Uithuizen on November 12, 1780, at the age of 29 to
Martjen Simons (aged 24 years), born in Uithuizen, christened there on June 6, 1756, daughter of Simon Klasen and Frouke Klasen.

• 1 : Frouwke Jakobs, spinster, born in Uithuizen on March 14, 1785, christened there on March 17, 1785, died there on October 17, 1814, aged 29 years.
  Frouwke was married to Hindrik.