Johannes Nederhouw, born in Rijswijk circa 1828, son of Johannes Nederhouw and Josina Warmenhoven.

Johannes was married in Delft on October 12, 1853, at the age of approximately 25 to
Aurelia Keimpes Feenstra (aged 30 years), born in Eernewoude on February 8, 1823, daughter of Keimpe Baukes Feenstra (peat cutting supervisor and bargeman) and Gelske Gerrits Feenstra.