Hendrik Joostes Gonggrijp, born in Harlingen on February 19, 1802, christened there on March 21, 1802, son of Joost Rinia Gonggrijp (opzichter der begraafplaats and teacher) and Berbera Coenraads Smit.

Hendrik was married on May 18, 1826, at the age of 24 to
Dieuwke Ydes Bakker (aged approximately 22 years), born circa 1804 (?).

• 1 : Iede Gongrijp, born in Harlingen on April 7, 1828.
  

• 2 : Berbora Gonggrijp, born in Harlingen on April 29, 1830.
  

• 3 : Trijntje Gonggrijp, born in Harlingen on April 15, 1832.
  

• 4 : Yede Gonggrijp, born in Harlingen on November 14, 1834.
  Yede was married in Harlingen on November 25, 1858, at the age of 24 to Eva Catharina Huizinga (aged approximately 22 years), born circa 1836 (?).
  

• 5 : Fredericus Gonggrijp, born in Harlingen on October 5, 1836.