Stephanus Jacobus de Bock, born in the year 1790, son of Jacobus Wilemsen de Bock (surgeon) and Aag Harings Nauta, died on November 3, 1826, aged 36 years.

Stephanus was married in Wymbritseradeel on December 18, 1819, at the age of 29 to
Trijntje Michiels Tromp (aged approximately 36 years), born circa 1783 (?), died in the year 1826, aged approximately 43 years.

• 1 : Jacobus Willemsen de Bock, born in Woudsend on January 7, 1821.
  Jacobus was married in Wymbritseradeel on May 7, 1842, at the age of 21 to Neeltje Aukes Cnossen (aged approximately 22 years), born circa 1820 (?).
  

• 2 : Michiel Stephanus Tromp de Bock, born in Wymbritseradeel on October 6, 1822, died there on November 3, 1830, aged 8 years.
  

• 3 : Stephanus Stephanus de Bock, born in Wymbritseradeel on October 23, 1824.
  

• 4 : Pieter Stephanus de Bock, born in Wymbritseradeel on October 23, 1826.