 Johannes Lambertus Datema, son of Franciscus Jans Datema and Dingena Speelmans.Born ± 1879 Noord Holland Haarlemmermeer Married 27 Apr 1904 Haarlemmermeer, age approximately 25 years to:  Wietske Brandenburg, age by marriage 23 years, daughter of Jan Brandenburg and Oeke Gerkes Huitema.Born 30 Jun 1880 Wonseradeel (birth declaration: 30 Jun 1880) | |||