Timeline Chart

Male  Leonardus van der Helm
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1750--
1755--
1760--
1765--
1770--
1775--
1780--
1785--
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1801--
Christening -- 8 August 1755 Monster
Civil Marriage -- 6 February 1785 ‏(Age 29)‏ Delft Cornelia Kouwenhoven
Death -- 25 July 1796 ‏(Age 40)‏ Delft