Family tree Kaper » Janna Swaantje Ketelaar (1912-)

Personal data Janna Swaantje Ketelaar 


Household of Janna Swaantje Ketelaar

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Timeline Janna Swaantje Ketelaar

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Ancestors (and descendant) of Janna Swaantje Ketelaar

Klaas Wemmi
1860-1949
Fenje Wemmi
1886-1953

Janna Swaantje Ketelaar
1912-????


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Historical events

  • The temperature on July 6, 1912 was between 11.0 °C and 23.3 °C and averaged 18.1 °C. There was 10.6 hours of sunshine (64%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. 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 February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
  • In the year 1912: Source: Wikipedia
    • The Netherlands had about 6.0 million citizens.
    • January 4 » The Scout Association is incorporated throughout the British Empire by royal charter.
    • January 5 » The 6th All-Russian Conference of the Russian Social Democratic Labour Party (Prague Party Conference) opens. In the course of the conference, Vladimir Lenin and his supporters break from the rest of the party to form the Bolshevik movement.
    • February 14 » The U.S. Navy commissions its first class of diesel-powered submarines.
    • March 5 » Italo-Turkish War: Italian forces are the first to use airships for military purposes, employing them for reconnaissance behind Turkish lines.
    • September 4 » Albanian rebels succeed in their revolt when the Ottoman Empire agrees to fulfill their demands
    • October 18 » First Balkan War: King Peter I of Serbia issues a declaration "To the Serbian People", as his country joins the war.


Same birth/death day

Source: Wikipedia


About the surname Ketelaar

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The Family tree Kaper publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I71252.php : accessed February 15, 2026), "Janna Swaantje Ketelaar (1912-)".