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Male  Jan Jakob de Groot
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1913--
1914--
1917--
1920--
1923--
1926--
1929--
1932--
1935--
1938--
1941--
1944--
1946--
Birth--1918 - Anjum, Dongeraeel, Friesland, Netherlands
Death--27 September 1941 - Groningen, Groningen, Groningen, Netherlands (Age 23)