Family tree Brouwer - Koster » Zwaantje Helder (1901-)

Personal data Zwaantje Helder 


Household of Zwaantje Helder

She is married to Pieter van Dokkum.

They got married on April 26, 1923 at Groningen, Groningen, Nederland, she was 22 years old.

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Timeline Zwaantje Helder

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Ancestors (and descendant) of Zwaantje Helder

Mechiel Helder
????-
Ida Koorenhof
????-
Koert Koning
1846-????
Zwaantje Brouwer
1845-????

Zwaantje Helder
1901-

1923

Pieter van Dokkum
1896-????


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Historical events

Birthday January 13, 1901

  • The temperature on January 13, 1901 was between -8.0 °C and -2.0 °C and averaged -4.4 °C. There was 0.1 hours of sunshine (1%). 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 July 27, 1897 to August 1, 1901 the cabinet Pierson, with Mr. N.G. Pierson (unie-liberaal) as prime minister.
  • In The Netherlands , there was from August 1, 1901 to August 16, 1905 the cabinet Kuijper, with Dr. A. Kuijper (AR) as prime minister.
  • In the year 1901: Source: Wikipedia
    • The Netherlands had about 5.2 million citizens.
    • February 2 » Funeral of Queen Victoria.
    • February 20 » The legislature of Hawaii Territory convenes for the first time.
    • March 23 » Emilio Aguinaldo, only President of the First Philippine Republic, was captured at Palanan, Isabela by the forces of General Frederick Funston.
    • July 4 » William Howard Taft becomes American governor of the Philippines.
    • September 6 » Leon Czolgosz, an unemployed anarchist, shoots and fatally wounds US President William McKinley at the Pan-American Exposition in Buffalo, New York.
    • November 8 » Gospel riots: Bloody clashes take place in Athens following the translation of the Gospels into demotic Greek.

Day of marriage April 26, 1923

  • The temperature on April 26, 1923 was between 7.9 °C and 13.3 °C and averaged 10.0 °C. There was 8.1 mm of rain. There was 0.2 hours of sunshine (1%). The average windspeed was 5 Bft (very strong wind) 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 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
  • In the year 1923: Source: Wikipedia
    • The Netherlands had about 7.1 million citizens.
    • January 9 » Juan de la Cierva makes the first autogyro flight.
    • January 9 » Lithuanian residents of the Memel Territory rebel against the League of Nations' decision to leave the area as a mandated region under French control.
    • April 15 » Insulin becomes generally available for use by people with diabetes.
    • September 1 » The Great Kantō earthquake devastates Tokyo and Yokohama, killing about 105,000 people.
    • September 4 » Maiden flight of the first U.S. airship, the USSShenandoah.
    • September 29 » The First American Track & Field championships for women are held.


Same birth/death day

Source: Wikipedia


About the surname Helder

  • View the information that Genealogie Online has about the surname Helder.
  • Check the information Open Archives has about Helder.
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The Family tree Brouwer - Koster publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Eric Brouwer, "Family tree Brouwer - Koster", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eric-brouwer/I62323.php : accessed February 20, 2026), "Zwaantje Helder (1901-)".