Johannes Hendrik Fredrik Schwartz, born circa 1864 (?).

Johannes was married in Lemsterland on November 12, 1890, at the age of approximately 26 to
Aurelia Gerrits van Keimpema (aged 29 years), born in Smallingerland on March 11, 1861, daughter of Gerrit Rienks van Keimpema and Lieuwkje Gorter.