Lucia Theodora Pierik, born circa 1830 (?), daughter of Hendrik Pierik and Jantje Mulder, died in Leeuwarden on March 24, 1889, aged approximately 59 years.

Lucia was married on May 27, 1860, at the age of approximately 30 to
Egbertus Bernardus Jacobus de Bock (aged approximately 24 years), born in Steenwijk circa 1836, son of Stephanus de Bock and Jantje Luten Veen, died in Nieuwer Amstel on April 16, 1894, aged approximately 58 years.

• 1 : Jantje de Bock, born in Haulerwijk on June 8, 1874.
  Jantje was married in Leeuwarden on May 19, 1897, at the age of 22 to Johannes Baukes Feenstra (aged 33 years), born in Workum on September 19, 1863, son of Bauke Johannes Feenstra (sailor) and Sybrigje Pieters Katsma, shop assistant and officer Salvation Army.