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Male  Jan van Heuvelen

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Female  Joostina Kolthof

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1901--
1904--
1908--
1912--
1916--
1920--
1924--
1928--
1932--
1936--
Birth--17 June 1906 - Bellingwolde, Bellingwolde, Groningen, Netherlands
Birth--24 March 1911 - Finsterwolde, Reiderland, Groningen, Netherlands
Marriage--4 July 1931 - Finsterwolde, Reiderland, Groningen, Netherlands (Age 20)
Marriage--4 July 1931 - Finsterwolde, Reiderland, Groningen, Netherlands (Age 25)