Family tree Perger » Jannetje Koops

Personal data Jannetje Koops 


Household of Jannetje Koops

She is married to Antoon Willem Groeneveld.

They got married on March 26, 1920 at Baarn.

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Ancestors (and descendant) of Jannetje Koops


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    Historical events

    Day of marriage March 26, 1920

    • The temperature on March 26, 1920 was between 8.1 °C and 13.3 °C and averaged 10.5 °C. There was 0.2 mm of rain. There was 7.2 hours of sunshine (57%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
    • Koningin Wilhelmina (Huis van Oranje-Nassau) was from 1890 till 1948 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
    • In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
    • In the year 1920: Source: Wikipedia
      • The Netherlands had about 6.8 million citizens.
      • February 2 » The Tartu Peace Treaty is signed between Estonia and Russia.
      • June 4 » Hungary loses 71% of its territory and 63% of its population when the Treaty of Trianon is signed in Paris.
      • July 15 » The Polish Parliament establishes Silesian Voivodeship before the Polish-German plebiscite.
      • August 16 » The congress of the Communist Party of Bukhara opens. The congress would call for armed revolution.
      • August 20 » The first commercial radio station, 8MK (now WWJ), begins operations in Detroit.
      • November 12 » Italy and the Kingdom of Serbs, Croats and Slovenes sign the Treaty of Rapallo.

    About the surname Koops

    • View the information that Genealogie Online has about the surname Koops.
    • Check the information Open Archives has about Koops.
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    The Family tree Perger publication was prepared by .contact the author
    When copying data from this family tree, please include a reference to the origin:
    Peter C.J. Perger, "Family tree Perger", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-perger/R208.php : accessed March 1, 2026), "Jannetje Koops".