Fokke Hendriks Nielsen, born in Harlingen on May 25, 1837, son of Hendrik Johannes Nielsen and Sibilla Klein, died in Franeker on May 25, 1863, aged 26 years.

Fokke was married in Franeker on February 22, 1863, at the age of 25 to
Syke Schuitemaker (aged approximately 22 years), born circa 1841 (?).