Timeline Chart

Male  Gerhard Knol
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Female  Martje Zwart
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1908--
1912--
1916--
1920--
1924--
1928--
1932--
1936--
1940--
1941--
Birth--about 1913 - Leens, De Marne, Groningen, Netherlands
Birth--about 1914 - Zoutkamp, De Marne, Groningen, Netherlands
Marriage--4 June 1936 - Leens, De Marne, Groningen, Netherlands (Age approx. 22)
Marriage--4 June 1936 - Leens, De Marne, Groningen, Netherlands (Age approx. 23)