Jan Johannes Nielsen, born in Harlingen circa 1803, son of Johannes Hendriks Nielsen (weaver) and Johanna Rintjes Wagenaar (peat tallier), died in Harlingen on November 26, 1832, aged approximately 29 years.
Jan was married in Harlingen on February 23, 1826, at the age of approximately 23 to
Adriana Jekel (aged approximately 20 years), born in Harlingen circa 1806, woolspinner, died in Harlingen on January 26, 1837, aged approximately 31 years.