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man‎Jetze Posthumus‏‎, son of Gerrit Hielkes Posthumus and Maria Bruinsma‏.
Born ‎18 Jul 1879 Workum

Married ‎6 Jul 1905 Amsterdam, age 25 years (married 14 years) to:

womanAgatha Lavell‏, age by marriage 26 years
Born ‎14 Sep 1878 Den Helder, died ‎15 Mar 1920‎, age 41 years